...
This record has not been verified for accuracy.
Firm History Sources
Related Records
Charles V. Northrup
Leonard Adrian Waasdorp
William G. Kaelber
Waasdorp, Northrup & Kaelber (firm)
Northrup, Kaelber & Kopf (firm)
Archival Holdings
The American Institute of Architects Archives
Architects Roster questionnaire, 1953, contains information about the firm and its key personnel.