Subject heading
Variation
7 books carry this heading. It is a source-library term, kept as recorded; related traditions and headings below are drawn from co-occurrence, not editorial judgment.
Related traditions
Related subjects
- Animals4
- African1
- African Americans1
- African americans, languages1
- African influences1
- African languages1
- Biogeografia1
- Biogeography1
- Birds1
- Black English1
- Botany1
- Comparative Physiology1
- Domestic animals1
- Early works to 18001
- English language1
- English language, united states1
- Environmental geology1
- Evolution1
- Evolution (Biology)1
- Foreign elements1
Books
Open in Browse7 books
Era
- Read free
Island life
Alfred Russel Wallace
1880
- Read free
Evolution of the colors of North American land birds
Charles Augustus Keeler
1893
- Read free
Phases of animal life past and present
Richard Lydekker
1892
The Origin of American Black English
Traute Ewers
1995
An account of the different kinds of sheep found in the Russian dominions, and among the Tartar hordes of Asia
Peter Simon Pallas, James Anderson
1794
Observations et expériences sur les mutations du fer chez les vertébrés
Louis Lapicque
1897French
Specimen physiologiae comparatae inter animantia calidi et frigidi sanguinis
Johann Friedrich Blumenbach
1787Latin