https://ia600209.us.archive.org/31/items/KodakChemicalsAndFormulae/KodakChemicalsAndFormulae.pdf
BY
C. E. KENNETH MEES
Um Processo Alternativo que entusiasma alguns praticantes de Fotografia
https://archive.org/details/manuelpratiquede00beli
Belin, Edouard
