Discover references
Variation
Books
7 results
English
Beginner
The Development of Standard English, 1300-1800: Theories, Descriptions, Conflicts (Studies in English Language)
Laura Wright
2000
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English
Advanced
Language Universals and Variation
Mengistu Amberber,Peter Collins (Editors)
2002
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English
Beginner
The Light Curve of XX Cygni As a Contribution to the Study of Cepheid Variation (1915)(en)(5s)
Shapley S.