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ספרים בחינם

Philosophical transactions, Vol. L. Part I. For the year 1757. Giving some account of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world.

Various · 2021

ספרייה ציבורית, Project Gutenberg. בלי הרשמה.

Science -- Periodicals

עוד של Various