"Chemikalia fotograficzne." . . "Isaac Pitman & Sons." . . "Chemistry." . . "Photographic chemistry." . . "Photography Chemistry." . . . . . "Photographic Chemicals and chemistry" . . . . . . . . . . . . . . . . . . . . . . . . . . "Photographic chemicals and chemistry"@en . . "Photographic chemicals and chemistry" . . . . . . .