Books by H. W. Gilbertson
Result demonstration manual fo
Result demonstration manual for extension workers
Educational exhibits : how to
Educational exhibits : how to prepare and use them
Sources of exhibit supplies, equipment and services
Effective extension circular letters
The fuller life for rural young people
Report of county agricultural agent work - 1933
Cutting costs on farms in the central states
County-agent standards
The purpose of reports and methods of reporting
County-agent supervision
How to prepare and display extension exhibits