G. Davidson

History of English Spelling

Christopher Upward, G. Davidson, 2011, Understanding and Teaching English Spelling.

Roget's Thesaurus of English Words and Phrases

George W. Davidson, G. Davidson, 1982 .

Book Review: Decentralization: The Administrator's Guidebook to School District Change

G. Davidson, 1993 .

Chambers 21st Century Dictionary

George W. Davidson, Mairi Robinson, G. Davidson, 1993 .

The History of English Spelling: Upward/The History of English Spelling

Christopher Upward, G. Davidson, 2011 .