Career
Together with Henry F. Liebbe (1851-1927), he worked as Foster & Liebbe, which designed numerous courthouses and other public buildings. Works include (with attribution):
Blair House, East. Washington Saint and South. 2nd Avenue., Washington, Iowa (Foster,William), NRHP-listed
Hawkeye Insurance Company Building, 209 Fourth Saint, Des Moines, Iowa (Foster,William), NRHP-listed
East. R. Hays House, 301 North. 2nd Saint, Knoxville, Iowa (Foster,William), NRHP-listed
Iowa Men"s Reformatory Historic District, North. High Saint, Anamosa, Iowa (Foster,William), NRHP-listed
Naylor House, 944 West. 9th Saint, Des Moines, Iowa (Foster,William), NRHP-listed
Page County Courthouse, Main Saint, Clarinda, Iowa (Foster,William), NRHP-listed
Parker"s Opera House, 23 North. Federal Avenue., Mason City, Iowa (Foster, William), NRHP-listed
Youngerman Block, 206-208 4th Saint, Des Moines, Iowa (Foster, William), NRHP-listed
English Office Building for Iowa State College, Ames, Iowa
Lucas County Courthouse, Chariton, Iowa
Hospital for the Insane, Clarinda, Iowa
Central Christian Church, Des Moines, Iowa
First Methodist Church, Des Moines, Iowa
Iowa County Courthouse, Marengo, Iowa
Wapello County Courthouse, Ottumwa, Iowa
Washington County Courthouse, Washington, Iowa
Herndon Hall, 2000 Grand Avenue., Des Moines, Iowa (Foster & Liebbe), NRHP-listed
Iowa County Courthouse, Court Avenue., Marengo, Iowa (Foster & Liebbe), NRHP-listed
Cathedral Church of Saint Paul, 815 High Saint, Des Moines, Iowa (Foster and Liebbe), NRHP-listed
Wapello County Courthouse, Court Saint, Ottumwa, Iowa (Foster & Liebbe), NRHP-listed
Washington County Courthouse, North. B Avenue., Washington, Iowa (Foster & Liebbe), NRHP-listed.