by Helen Marot
![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg)
United States. Congress. Senate. Committee on Patents
United States. General Accounting Office
United States. General Accounting Office
United States. Bureau of the Census
San Francisco (Calif.). Office of the Controller. City Services Auditor Division.
Beverly Cleary
