ecologia: titoli (+riferimenti) : 1800-1899
- 1800, Jean-Baptiste
Lamarck
,
Annuaire météorologique pour l'an XIII de l'ère de la République française à l'usage des agriculteurs, des médecins, des marins, & c.
- 1807, Alexander von
Humboldt
,
Voyage to the Equinoctial Region of the New Continent [34 voll] [1807-1826]
- 1831, Alexander von
Humboldt
,
Fragments de géologie et de climatologie asiatiques
- 1833, Biagio
Crescimone
,
Osservazioni sulla vita delle cavallette e sui mezzi per distruggerle
- 1862, Henry David
Thoreau
,
Camminare
- 1864, George Perkins
Marsh
,
Man and Nature: Or Physical Geography as Modified by Human Action
- 1865, William Stanley
Jevons
,
The Coal Question: An Inquiry Concerning the Progress of the Nation, and the Probable Exhaustion of Our Coal-Mines
- 1889, Edward
Carpenter
,
Civilization: Its Cause and Cure
- 1894, John
Muir
,
The Mountains of California
- 1899, Ellen
Key
,
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