International Sign Language?
Archived: https://archive.ph/wip/3YZvS
Duolingo: https://forum.duolingo.com/comment/23050614
What about sign language?
Archived: https://archive.ph/wip/66YxX
Duolingo: https://forum.duolingo.com/comment/9797051
Which sign language to learn?
Archived: https://archive.ph/wip/LEibn
Duolingo:https://forum.duolingo.com/comment/14237642
Sign Language
Archived: https://archive.ph/wip/qbBON
Duolingo: https://forum.duolingo.com/comment/1086591
Free Sign Language course
Archived: https://archive.ph/YvEXb
Duolingo: https://forum.duolingo.com/comment/47244871
6 myths about sign language
Archived: https://archive.ph/wip/0fyk5
Duolingo: https://forum.duolingo.com/comment/20675377
Deaf and Hearing culture (Some differences)
Archived: https://archive.ph/wip/EMRYv
Duolingo: https://forum.duolingo.com/comment/12228443
they should add sign language!
Archived: https://archive.ph/wip/v8QOB
Duolingo: https://forum.duolingo.com/comment/42642999
Is there sign language for other languages?
Archived: https://archive.ph/wip/lpvDj
Duolingo: https://forum.duolingo.com/comment/11554867
Is there a different sign language for every language?
Archived: https://archive.ph/wip/oxuFo
Duolingo: https://forum.duolingo.com/comment/20425527
ASL is possible on Duolingo
Archived: https://archive.ph/wip/CoOSL
Duolingo: https://forum.duolingo.com/comment/5592215
Learn ASL (American Sign Language) with Usagi!
Archived: https://archive.ph/wip/fTtvu
Duolingo: https://forum.duolingo.com/comment/5703152
Resources for learning ASL (American Sign Language)
Archived: https://archive.ph/wip/Tn78d
Duolingo: https://forum.duolingo.com/comment/5706980
American Sign Language - it's not just for the deaf.
Archived: https://archive.ph/wip/Vtr9B
Duolingo: https://forum.duolingo.com/comment/4732073
An unexpected first foreign language experience
Archived: https://archive.ph/wip/YBrbG
Duolingo: https://forum.duolingo.com/comment/6082801
How do you practice fingerspelling? (American Sign Langauge--ASL)
Archived: https://archive.ph/wip/dvqpK
Duolingo: https://forum.duolingo.com/comment/23445925
Learning Sign Language: A Beginner's Guide To Discovering (American) Sign Langauge
Archived: https://archive.ph/wip/3OKe9
Duolingo:https://forum.duolingo.com/comment/45474136
Pro-tactile ASL: A new language for the DeafBlind
Archived: https://archive.ph/wip/vxoFT
Duolingo: https://forum.duolingo.com/comment/18723344
Deaf scientists just created over 1,000 new ASL signs to improve communication in STEM fields!
Archived: https://archive.ph/wip/Lt2UE
Duolingo: https://forum.duolingo.com/comment/33598630
Receptive fingerspelling practice [ASL & NZSL/BSL Resources]
Archived: https://archive.ph/wip/BNmJ3
Duolingo: https://forum.duolingo.com/comment/6537571
1 Week American Sign Language Challenge (sept)
Archived: https://archive.ph/wip/FX0MP
Duolingo: https://forum.duolingo.com/comment/24490205
1 Week American Sign Language Challenge (Oct 2017)
Archived: https://archive.ph/wip/8Jkeg
Duolingo: https://forum.duolingo.com/comment/24704130
British Sign Language needs to be on Duolingo.
Archived: https://archive.ph/wip/LbjQi
Duolingo: https://forum.duolingo.com/comment/18835879
Any resources for BSL?
Archived: https://archive.ph/wip/NgDRG
Duolingo: https://forum.duolingo.com/comment/9784588
Irish Sign Language (ISL) now third official language of Ireland
Archived: https://archive.ph/wip/qLiup
Duolingo: https://forum.duolingo.com/comment/25554367
Sign Language folks, what sign do you use for Duolingo?
Archived: https://archive.ph/wip/tThwu
Duolingo: https://forum.duolingo.com/comment/21604899