Credits for the sounds used in Pak128.Britain-Ex as far as can be found.

Cafity
forest.wav (sparrows in a tree)
http://freesound.org/people/cafity/sounds/369546/

Riccardo Stecca
beaches.wav (single seagull call)
http://freesound.org/people/isteak/sounds/263786/

Iwan 'qubodup' Gabovitch
hovercraft.wav
http://freesound.org/people/qubodup/sounds/187684/

soundmary
tractor.wav
http://freesound.org/people/soundmary/sounds/194975/
(CC Attribution)

Kayyy
Water.wav (a wave)
http://freesound.org/people/Kayyy/sounds/61014/
(CC Attribution)

Gordon J. Cowan
level-crossing.wav
http://freesound.org/people/gordonjcowan/sounds/266069/
(CC Attribution)

FF3170
https://www.youtube.com/user/nigelhimng
leyland-olympian-ff3170.wav
lul-1938-stock-ff3170.wav
daimler-fleetline-ff3170.wav
leyland-atlantean-ff3170.wav
leyland-titan-pd3-ff3170.wav
leyland-titan-pd2-ff3170.wav
leyland-titan-pd1-ff3170.wav
leyland-titan-b15-ff3170.wav
leyland-lynx-ff3170.wav
aec-routemaster-ff3170.wav
volvo-b7tl-ff3170.wav
volvo-olympian-ff3170.wav
daimler-cvg6-ff3170.wav
leyland-atlantean-an68-ff3170.wav
ff3170-leyland-tiger-tr.wav
ff3170-mcw-metrobus.wav
ff3170-dennis-dominator.wav
ff3170-dennis-trident.wav
ff3170-volvo-alisa-b55.wav
ff3170-guy-arab-4.wav
(Artistic Licence 1.0)

Ninebilly
http://freesound.org/people/ninebilly/sounds/173006/
bus-volvo-ninebilly.wav
(Public Domain)

L. Walker 101
http://freesound.org/people/lwalker101/
lwalker-class-40.wav
lwalker-br-4mt-tank.wav
(CC Attribution)

Konakaboom
http://freesound.org/people/konakaboom/sounds/212422/
konakaboom-black-five.wav
konakaboom-hst-mtu.wav
konakaboom-class-159.wav
konakaboom-class-165.wav
konakaboom-gwr-pannier.wav
(CC Attribution Non-commercial)

Adam_N
http://freesound.org/people/Adam_N/
adam_n-1992-stock.wav
(Public domain)

Zabuhailo
http://freesound.org/people/Zabuhailo/
zabuhailo-modern-tram.wav
(CC Attribution)

Jessepash
http://freesound.org/people/jessepash/
jessepash-switch.wav
(Public domain)

Bigpickle51
http://freesound.org/people/bigpickle51/
bigpickle51-jet-takeoff.wav
bigpickle51-turboprop.wav
(Public domain)

Decembred
http://freesound.org/people/decembered/
decembread-brakes.wav
(CC Attribution)

Kermite607
http://freesound.org/people/kermite607/sounds/?page=2
kermite607-coin.wav
(Public domain)

Ohrwurm
http://freesound.org/people/Ohrwurm/
ohrwurm-demolition.wav
(Public domain)

Vickyleao1
http://freesound.org/people/vickyleao1/
vickyleao1-digging.wav
(CC Attribution non-commercial)

Gareth Bull
https://www.youtube.com/watch?v=XnYW9khkao0&lc=z23asxbpfpnwuptnlacdp434aut0yfnhipfikn0dr01w03c010c.1490542432651775
gareth-bull-leyland-titan-td1.wav
(Artistic Licence 1.0)

Colin Taft
https://www.youtube.com/watch?v=FyyhsK8t91o&lc=z23asxbpfpnwuptnlacdp435wimspyzs5qbdar12bgtw03c010c.1490539763489210
colin-taft-horse-tram.wav
(Artistic Licence 1.0)

Tom Tait
https://www.youtube.com/watch?v=MhWGJgLAy8s&lc=z23asxbpfpnwuptnlacdp435dvswae5c2axozqdmeblw03c010c.1490541277891026
tom-tait-tram.wav
(Ad hoc permission)

YleArkisto
http://freesound.org/people/YleArkisto/
ylearkisto-horses.wav
ylearkisto-horse.wav
ylearkisto-dc-3.wav
(Recorded in 1978!)
(CC ATtribution)

Arnaud Coutancier
http://freesound.org/people/arnaud%20coutancier/
arnaud-coutancier-canal-horses.wav
(CC Attribution non-commercial)

Sandeep Kurissery
http://freesound.org/people/sandeepkurissery/sounds/245183/
sandeepkurissery-flock-of-sheep.wav
(Public Domain)

The Bloke 33
http://freesound.org/people/the_bloke33/
the-bloke33-dennis-dart-modern.wav
(CC Attribution)

Multithunder 227
http://freesound.org/people/multithunder227/
multithunder227-1996-stock.wav
(Public domain)

Blaukreuz
http://freesound.org/people/blaukreuz/
blaukreuz-d-stock.wav
(Public domain)

Kukensius
http://freesound.org/people/Kukensius/
kukensius-s-stock.wav
(Public domain)

ddub
http://freesound.org/people/ddub/
ddub-concorde.wav
(Sampling +)

hkmtrhah
http://freesound.org/people/hkmtrhah/
hkmtrhah-volvo-bm10.wav
(CC Attribution)

Video47
https://www.youtube.com/channel/UCATweb3sAe4UdB5PVrcPdxA
video47-class-67.wav
video47-class-319.wav
video47-leyland-national.wav
video47-optare-tempo.wav
video47-class-56.wav
video47-class-323.wav
video47-class-508.wav
video47-class-142.wav
video47-class-139.wav
video47-class-172.wav
video47-dennis-enviro400.wav
video47-byd-electric-bus.wav
video47-traction-engine.wav
video47-bristol-k.wav
video47-bristol-coach.wav
video47-leyland-titan-pd1.wav
video47-class-175.wav
video47-dlr.wav
video47-class-37.wav
video47-class-47.wav
video47-volvo-b5h.wav
video47-class-121.wav
video47-class-350.wav
video47-class-220.wav
video47-class-66.wav
video47-class-35.wav
video47-class-50.wav
video47-class-55.wav
video47-class-92.wav
video47-ng-diesel.wav
video47-class-45.wav
video47-class-20.wav
video47-a-stock.wav
video47-leyland-lion-lsc.wav
(Artistic Licence 1.0)

Keith Burnett
http://freesound.org/people/keithpeter/
keithpeter-gwr-hall.wav
(Public Domain)

Laurie (Calvertfilm)
https://www.youtube.com/channel/UCRITHje5engH0KfDvl9OJ8g
laurie-gwr-railcar.wav
laurie-class-20.wav
laurie-class-31.wav
laurie-barclay-0-4-0.wav
laurie-gwr-railmotor.wav
(Artistic Licence 1.0)

Russell Thewils
https://www.youtube.com/watch?v=wiNUlV1UPUc&lc=z12fjvl5blqozlp3323asxbpfpnwuptnl.1491495692644499
russell-thewils-class-46.wav
(Artistic Licence 1.0)
Note: This licence is limited to the one video and does not apply to other videos on the channel

spompeytransportvideo
https://www.youtube.com/channel/UC5I9FrTSUvFBBMUAa6IT2TQ
spompeytransportvideo-class-68.wav
spompeytransportvideo-class-52.wav
spompeytransportvideo-class-205.wav
spompeytransportvideo-class-08.wav
spompeytransportvideo-class-42.wav
(Artistic Licence 1.0)

androo4519
https://www.youtube.com/user/androo4519/videos?view=0&shelf_id=0&sort=dd
androo4519-btu9613t.wav
androo4519-class-17.wav
androo4519-class-33.wav
(Artistic Licence 1.0)

Andy's Video 
http://www.andysvideo.com/
andysvideo-vickers-vimy.wav
(Artistic Licence 1.0)

Alessandro Camilo
https://www.youtube.com/watch?v=-6OXZHTsHDQ&lc=z12txfdxxunfzbw5m04cgv3oypiqjnerai4.1491534382911719
alessandro-camilo-boeing-707.wav
(Artistic Licence 1.0)

Panos G
https://www.youtube.com/channel/UCh2i2Sdq1NI42zAFPM3Oy8w
panos-g-eurostar.wav
panos-g-class-395.wav
panos-g-2009-stock.wav
panos-g-ac-loco-generic.wav
(Artistic Licence 1.0)

johno4521
https://www.youtube.com/channel/UCIh0244qo4Vhtng03cgidYg
johno4521-class-800-diesel.wav
(Artistic Licence 1.0)

Stuart (MyLoveOfRailways of Youtube)
https://www.youtube.com/channel/UCyAlZcW_IMJRnHDtUaKpP-Q
stuart-derby-lightweight.wav
stuart-class-91.wav
(Artistic Licence 1.0)

Treacher Rail
https://www.youtube.com/channel/UCnyk0qg5ujQ8qYEEZPFH--A
treacher-rail-class-35.wav
treacher-rail-class-70.wav
treacher-rail-class-86.wav
treacher-rail-class-87.wav
treacher-rail-class-90.wav
treacher-rail-class-60.wav
treacher-rail-class-390.wav
(Artistic Licence 1.0)

Kubanskiloewe
https://www.youtube.com/channel/UCTcLq_ueOxF61lCWoTPlfmQ
kubanskiloewe-dc-6.wav
(Artistic Licence 1.0)

TheMartBan
https://www.youtube.com/channel/UCskVb2jQWOvolNWIdbKFiMA
the-mart-ban-class-25.wav
the-mart-ban-double-fairlie.wav
the-mart-ban-ngg16.wav
the-mart-ban-wllr-tank.wav
(Artistic Licence 1.0)

Swearingkevo
https://www.youtube.com/channel/UCq0Vk1acK2dXdXFLk4LLcsg
swearingkevo-class-52.wav
swearingkevo-bristol-l6b.wav
(Artistic Licence 1.0)

Robin Pinnock
https://www.youtube.com/channel/UCDugRcudOtuV68UVQz9JR0Q
robin-pinnock-bac-1-11.wav
robin-pinnock-vickers-viscount.wav
robin-pinnock-lockheed-electra.wav
(Artistic Licence 1.0)

Jorge ATC
https://www.youtube.com/channel/UCiADY2XG_UzWVSZzPuSv9vQ
jorge-atc-boeing-727.wav
(Artistic Licence 1.0)

24tohayes
https://www.youtube.com/channel/UCyMBLOEiyZzzB0yaN2RJKDA
x24tohayes-epb.wav
(Artistic Licence 1.0)

Antman09ful1
https://www.youtube.com/channel/UCqcz0PcmLTqEOQo27w_q3Rw
antman09ful1-class-71.wav
(Artistic Licence 1.0)

LAX Spotter 97
https://www.youtube.com/user/LAXSPOTTER97
laxspotter97-boeing747-400.wav
laxspotter97-airbus-a320.wav
laxspotter97-boeing737-200.wav
laxspotter97-boeing737-300.wav
laxspotter97-boeing737-800.wav
laxspotter97-boeing787-8.wav
laxspotter97-boeing-b-17.wav
laxspotter97-boeing747-8.wav
laxspotter97-boeing-737-max-8.wav
(Artistic Licence 1.0)

Tom's Planes
https://www.youtube.com/channel/UC-LUmlPtDkREh6I8UpTVmMw
tomsplanes-boeing-b29.wav

705547 of Youtube
https://www.youtube.com/channel/UCvQ4VDEg0COFn_s4FYShsww
x705547-constellation.wav
x705547-lockheed-electra-10a.wav
x705547-junkers-ju-52.wav

Nick Parry of Youtube
https://www.youtube.com/watch?v=E9jaDgv1Skk&lc=z13rzpsixlfpd1ufj23asxbpfpnwuptnl.1500729724510568
nick-parry-gwr-city-class.wav
(Artistic Licence 1.0)

Graham French of Youtube
https://www.youtube.com/channel/UCZkGJE4wBESqHtnn2GD27-g
https://www.youtube.com/watch?v=BXDvttNXkAA&lc=z23asxbpfpnwuptnlacdp43bu531hhj0tpdvlbuz1vdw03c010c.1504200923441183
graham-french-leyland-n-type.wav
graham-french-tilling-stevens-1930.wav
graham-french-leyland-leopard.wav

PCWV Dmark
pcwvdmark-windmill.wav
https://freesound.org/people/pcwvdmark/sounds/345846/
(Public Domain)

Alex Mol
https://freesound.org/people/alexmol/sounds/132558/
alexmol-car-factory-modern.wav
(Public Domain)

Aifoon
https://freesound.org/people/aifoon/sounds/335245/
aifoon-chemical-factory.wav
aifoon-steelworks.wav
(CC Attribution)

Laurent
https://freesound.org/people/laurent/sounds/21109/
laurent-ironworks.wav
(CC Attribution)

Viertelnachvier
https://freesound.org/people/viertelnachvier/sounds/249637/
viertelnachiver-modern-hardware-factory.wav
(Public Domain)

Jmbphilmes
https://freesound.org/people/jmbphilmes/sounds/194303/
jmbphilmes-printworks.wav
(Public Domain)

Lagezon
https://freesound.org/people/lagezon/sounds/232875/
lagezon-cardboard-factory.wav
(Public Domain)

Felix Blume
https://freesound.org/people/felix.blume/sounds/147863/https://freesound.org/people/felix.blume/sounds/147863/
felix-blume-old-factory.wav
felix-blume-sheep-farm.wav
(Public Domain)

Phonoflora
https://freesound.org/people/phonoflora/sounds/201176/
phonoflora-textile-mill.wav
(CC Attribution)

Juskiddink
https://freesound.org/people/juskiddink/sounds/66932/
juskiddink-modern-quarry.wav
(CC Attribution)

oniwe
https://freesound.org/people/oniwe/sounds/32871/
quarry-mix.wav (joint with Alistair Cameron - mixed sound)
(CC Attribution non-commercial)

Alistair Cameron
https://freesound.org/people/cameronmusic/sounds/138412/
quarry-mix.wav (joint with oniwe - mixed sound)
(CC Attribution non-commercial)

Tdes
https://freesound.org/people/tdes/sounds/126358/
tdes-cow-farm.wav
(CC Attribution)

DC Simon
https://freesound.org/people/dcsimon/sounds/135839/
dcsimon-sawmill.wav
(CC Attribution)

Simsym23
https://freesound.org/people/Simsym23/sounds/256953/
simsym23-chisel.wav
(Public Domain)

Vikend Ratnik
https://freesound.org/people/vikend_ratnik/sounds/265035/
vikend-ratnik-woodcutter.wav
(Public Domain)

J1987
https://freesound.org/people/j1987/sounds/106393/
j1987-power-station.wav
(Public Domain)

Robinhood76
https://freesound.org/people/Robinhood76/sounds/269540/
robinhood76-carpenter.wav
(CC Attribution non-commercial)

Magedu
https://freesound.org/people/magedu/sounds/327691/
magedu-hydro-plant.wav
(CC Attribution)

Clarkster92
https://www.youtube.com/watch?v=TO0WVnP23f8&lc=z23asxbpfpnwuptnlacdp434vaq1x10djuyeck4cwj1w03c010c.1507757778928175
clarkster92-caetano-levante.wav
clarkster92-scania-h2870.wav
(Artistic Licence 1.0)

Steve O'Hara
https://www.youtube.com/watch?v=cmgiW04YvNU
steve-o-hara-daimler-cog5.wav
(Artistic Licence 1.0)

Mark Appleby
https://www.youtube.com/watch?v=clAJrFSeh8s&lc=z23asxbpfpnwuptnlacdp432dfjkmzmf2wzccyxvvj1w03c010c.1508232337876091
mark-appleby-hst-valenta.wav
(Artistic Licence 1.0)

84asrd84boxy
https://www.youtube.com/watch?v=vWoV7g9r8dU&lc=z23asxbpfpnwuptnlacdp430y4ffmostbl3cuop1gjtw03c010c.1508247040862797
x84asrd84boxy-hst-valenta.wav
(Artistic Licence 1.0)

Sans Pareil
https://www.youtube.com/watch?v=44jaAtcw38g&lc=z23asxbpfpnwuptnlacdp435awpe3zbq2m1vyhvgc1pw03c010c.1508448137449622
sans-pareil-hst-valenta.wav
(Artistic Licence 1.0)

Richard Walker
https://www.youtube.com/watch?v=5rdoby-sgyU&lc=z23asxbpfpnwuptnlacdp43a34eb0kfy0v35zp5nypdw03c010c.1510122981286735
richard-walker-aec-stl-diesel.wav
(Artistic Licence 1.0)

Magedu
http://freesound.org/people/magedu/
magedu-bicycle-bell.wav
(CC Attribution)

Phil Flyer
https://www.youtube.com/watch?v=8iajMWj7yqw&lc=z23asxbpfpnwuptnlacdp4351pn0vwf0ocm0fbmjkslw03c010c.1510569091495068
philflyer-bedford-ob.wav
(Artistic Licence 1.0)

Henergy1994
https://www.youtube.com/watch?v=aztURUxuol8&lc=z23asxbpfpnwuptnlacdp435na0l3qpgvwj43sao4i5w03c010c.1510721669025969
henergy1994-leyland-titan-td4.wav
henergy1994-leyland-leopard.wav
(Artistic Licence 1.0)

Eckletickle
https://www.youtube.com/watch?v=anEYZjslgNY&lc=z23asxbpfpnwuptnlacdp434cmgbv5ugkrqakanlp3lw03c010c.1520034031039161
eclectickle-leyland-comet.wav
(Artistic Licence 1.0)

BetterAircraftFabric
https://www.youtube.com/watch?v=5w9JnXlj284&lc=UghFIDnqPqK9rHgCoAEC.8R98vZ9qaJ098pBcOMmpWB
betteraircraftfabric-dc4.wav
(Artistic Licence 1.0)

Bus&TrainChaser93
https://www.youtube.com/watch?v=u0iKkj7C08o&lc=Ugy8jUureFPYZBgg4TN4AaABAg.9WaS9YUf--h9WaVKvBHn--
(Artistic Licence 1.0)

** Links to licence terms and other notes **
Sampling+: https://creativecommons.org/licenses/sampling+/1.0/
CC Attribution: https://creativecommons.org/licenses/by/3.0/
CC Attribution non-commercial: https://creativecommons.org/licenses/by-nc/3.0/

Public domain dedication: https://creativecommons.org/publicdomain/zero/1.0/

All sounds have been modified from the original recordings by reducing the length, adding fading in/out and, in some cases, normalising and/or noise reduction.

Links included by request of Eckletickle above:
Isle of Man Railways: http://www.iomsrsa.org/ and https://www.gov.im/categories/travel-traffic-and-motoring/bus-and-rail/heritage-railways/
Jurby Museum: http://www.jtmiom.im/