sites potentially of interest....

[wolfebee89]

http://speedbirds.blogspot.com/

http://speedbirds.blogspot.com/search/label/daily%20sketch

http://speedbirds.forumactif.org/

http://www.lucioperinotto.com/index.html

Season's greetings and happy holidays and all the best for the New Year 2019!

[zswobbie1]

Thanks for these links.
Great Golden Age stuff here.