Alexander von Humboldt
1845
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Alexander von Humboldt
1845
Desmond Morris
1772
Alan Watts
1936
Charles Darwin
1839
Francis Bacon
1627
Arnold Bennett
1900
David Hume
1739
Carl Linnaeus
1748
Charles Darwin
1871
Henry David Thoreau
1800
Georges-Louis Leclerc, comte de Buffon, Georges Louis Leclerc De Buffon
1749
Sir Ernest Henry Shackleton
1919
Hans Kelsen
1934
Erasmus Darwin
1700
William Derham
1713
Herbert S. Zim, Clarence Cottam
1951
Henri Bergson, CHAILLAND, Éditions CdBF
1907
Thomas Jefferson, Thomas Jefferson, Logan, James
1784
Henry David Thoreau
1914
Jean-Jacques Rousseau
1954
Charles Darwin
1875
Jean-Jacques Rousseau
1946
Thomas Hobbes
1684
Jean-Henri Fabre
1917
Jonathan Carver
1778
Marie Hall Ets, Jenna Whidden
1955
Hugo Grotius
1625
Francis Bacon
1627
Frank Harold Trevor Rhodes, Paul R. Shaffer, Herbert S. Zim, Paul R. Shaffer, Herbert S. Zim
1962
Margret Wittmer
1960
Jacques Maritain, Gerald B. Phelan Jacques Maritain
1937
Piet Mondrian
1943
Jacques Maritain
1942
James Bruce
1790
Abbé Prévost
1746
Immanuel Kant, Alain Renaut
1797
Seneca the Younger
1522
Gottfried Wilhelm Leibniz, Robert Zimmermann, Clara Strack, Robert Zimmermann, Joachim Christian Horn
1728
Jean-Henri Fabre, Alexander de Mattos
1912
Thomas Day
1786
Samuel Freiherr von Pufendorf
1691
Japan.
1901
Pliny the Elder
1476
Samuel Freiherr von Pufendorf
1672
William Wollaston, William Wollaston
1722
Charles Darwin
1880
Jacques Maritain
1951
Vinson Brown, Henry G. Weston
1961
