Cosmos : essai d'une description physique du monde /

El t. II impreso en 1855 y en el t. IV consta "Gide, libraire-éditeur, 1859"

De distributione geographica plantarum : secundum coeli temperiem /

La h. de lam. "Al. Humboldt del. Marchais perfl 1815, Coutant sculps L. Aubert scrip., De l'Imprimerie de langlois", representa "Geographiae plantarum lineamenta"

The life, travels, and researches of Baron Humboldt

Mode of access: Internet.

O. Henry's own trial: brief for W.S. Porter in the appeal August 30, 1898,

Reproduced from the original records of the U.S. Circuit Court of Appeals at New Orleans.

Cosmos : sketch of a physical description of the universe /

Mode of access: Internet.

Cosmos : a sketch of a physical description of the universe /

Mode of access: Internet.

Alexander von Humboldt's Reisen in Amerika und Asien : eine Darstellung seiner wichtigsten Forschungen /

Bd. 1-2. Reisen in die aequinoctial-gegenden Amerika's -- Bd. 3- 4. Reisen im europäischen und asiatischen Russland.

Kosmos : Entwurf einer physischen Weltbeschreibung /

Mode of access: Internet.

The orphan girls : a tale of Southern life.

Mode of access: Internet.

K. N. Pepper, and other condiments; put up for general use,

Mode of access: Internet.

The song of higher-water,

A parody on Longfellow's "Song of Hiawatha".

Naturalism and agnosticism : the Gifford lectures delivered before the University of Aberdeen in the years 1896-1898 /

Includes bibliographical references and index.

Briefe von Alexander von Humboldt an Varnhagen von Ense : aus den jahren 1827 bis 1858. Nebst auszügen aus Varnhagen's tagebüchern und briefen von Varnhagen und andern an Humboldt.

Mode of access: Internet.

Cuadros de la naturaleza /

First published as Ansichten der Natur, 1808.

A study of Kant,

Includes index.