Sets not on TCDB

 1923 Boys' Magazine

https://www.comc.com/Cards,sl,=1923+boys~27+magazine

1931 Shirley's Gum Beter Dan Andere

a few results from COMC

1933 Phillips

https://cartophilic-info-exch.blogspot.com/2021/11/philips-cigarettes-album-no-5.html

1934-35 R.&J. Hill Footballers

a few examples

1938 Konig Fussball

guy on blowout forums who completed set

1953 Chix

https://cartophilic-info-exch.blogspot.com/2014/05/chix-chi-340-1cgo-2-1-famous.html

1954 Kiddy Fussball

1954 Kiddy Fusball Weltmeisterschaft - Vogelsang-Tabak back.

https://www.ma-shops.com/futter/item.php?id=23384&curr=USD lot of 33

scrapbook

https://cartophilic-info-exch.blogspot.com/2016/01/cf-vogelsang-tabakfabriken-32442-01.html

1958 WS Verlag Fussball Weltmeisterschaft 

checklist

Brazil team card w/ Pele which sold for $2706

#94 - $7000

1962 Editora

https://cartophilic-info-exch.blogspot.com/2014/11/editoria-vecchi-brazil-futebol-mundial.html

w/o numbers

1963-64 Sicker-Verlag Die Besten Fusballspier aus Deutschland und aller Welt

https://www.classicsoccercards.com/post/1963-64-sicker-verlag-fussball-die-besten-fu%C3%9Fballspieler

1964-65 Sicker-Verlag Die Neue Bundesliga

https://www.classicsoccercards.com/post/1964-65-sicker-verlag-die-neue-bundesliga

1964-65 Sicker-Verlag Die Besten Fusballspier aus Deutschland und aller Welt

https://cartophilic-info-exch.blogspot.com/2016/11/sicker-verlag-frankfurt-31940-06-fuball.html

1978 Ping Pong Futebol

https://cartophilic-info-exch.blogspot.com/2016/01/ping-pong-brazil-futebol-cards.html

Misc. sports

1936 Ardath Series F & Z

https://cartophilic-info-exch.blogspot.com/2014/02/ardath-tobacco-photocards-series.html

1937-38 Ardath

https://cartophilic-info-exch.blogspot.com/2014/02/ardath-tobacco-photocards-group-cdgsk.html

checklists are incomplete

1948-53 A & J Donaldson Sport Favourites