- Argentina
- Austria
- Belgium
- Denmark
- England
- France
- Germany after 1940
-
Germany before 1940
- a & m | Albrecht & Meister Ag
- a.g.p. & co | A.G.P. Co
- a.p.c. | A.P.C.
- A.Radicke | Radicke Adalbert
- b.n.k. | Berliner Neuroder Kunstanstalt
- d.s.j. | Israel D.S.
- e.l.f. & co. | E.L.F. & Co.
- h & s | Harzer & Schwerdtfeger
- illert | Illert & Ewald
- k.b. / kub | Kutzner & Berger
- k & l | K & L
- l & b | Littauer & Boysen
- l.d. & co | L.D. & C0
- m & s | Mamelok & Sohne
- p. & e. | Priester F. & Eyck
- c.s.n. | Schauer C. Nachf
- w.b. & co | Bernhardt Wilhelm & Co
- wh | Hagelberg Wolf Ag
- z & m | Zoecke & Mittmeyer
- a.k.w. | A.K.W.
- h & s | Heymann & Schmidt
- Italy
- Netherlands
- Spain
- Sweden
- Unknown country
