1 "Fișier:Microscopic_objects,_animal,_vegetable_and_mineral;_with_instructions_for_preparing_and_viewing_them_(IA_microscopicobjec00prit).pdf".

Fișier:Microscopic objects, animal, vegetable and mineral; with instructions for preparing and viewing them (IA microscopicobjec00prit).pdf

Archive Internet Archive ID: microscopicobjec00prit described at URL: https://archive.org/download/microscopicobjec00prit/microscopicobjec00prit.pdf...

Enciclo
Wikious
Sapientia
Scientia
Boobota
Anandapedia
Sagapedia
Wikithot