Van Ryn & DeGelleke
Van Ryn & DeGelleke was an architectural firm in Wisconsin.  It was a partnership of Henry J. Van Ryn (born 1864) and Gerrit Jacob DeGelleke (August 19, 1872 - February 22, 1960), both of whom grew up in Milwaukee.

A number of its works are listed on the U.S. National Register of Historic Places.

Works include:
Agriculture and Manual Arts Building/Platteville State Normal School, Univ. of Wisconsin, Platteville, Platteville, Wisconsin (Van Ryn & De Gelleke), NRHP-listed
Boscobel High School, 207 Buchanan St., Boscobel, Wisconsin (Van Ryn & de Gelleke), NRHP-listed
Casa Rio, built 1945, at 2424 McGregor Blvd., Fort Myers, Florida (Van Ryn, Henry; de Gelleke, Gerrit), NRHP-listed
One or more works in Central Park Historic District, roughly bounded by 19th St., Adams St., 16th St. and Jefferson St., Two Rivers, Wisconsin (Van Ryn & de Gelleke), NRHP-listed
Central School, 218 West Cayuga St, Iron River, Michigan (Van Ryn & DeGelleke), NRHP-listed
F. A. Chadbourn House, 314 S. Charles St., Columbus, Wisconsin (Van Ryn & DeGelleke), NRHP-listed
Grand Avenue Elementary School, 2708 W. Wisconsin Ave., Milwaukee, (VanRyn & DeGelleke), NRHP-listed, 1921 
Hudson Public Library, 304 Locust St., Hudson, Wisconsin (VanRyn & DeGelleke), NRHP-listed
Janesville High School, 408 S. Main St., Janesville, Wisconsin (Van Ryn & De Gellke), NRHP-listed
Lee Ovitt house, 245 N. Hartwell, Waukesha, Wisconsin. 1901.
Lincoln County Courthouse, 1110 E. Main St., Merrill, Wisconsin (Van Ryn & De Gelleke), NRHP-listed
Main Hall/La Crosse State Normal School, 1724 State St., Univ. of Wisconsin, La Crosse, La Crosse, Wisconsin (Van Ryn & Gelleke), NRHP-listed
One or more works in Maple Park Historic District, generally bounded by North, Cook, Main and Maxwell Sts., Lake Geneva, Wisconsin (Van Ryn and de Gelleke), NRHP-listed
Marshfield City Hall, 110 E 2nd St, Marshfield, Wisconsin, 1901, (Van Ryn and De Gelleke), contributes to Marshfield Central Avenue Historic District
Milwaukee County Dispensary and Emergency Hospital, 2430 W. Wisconsin Ave., Milwaukee, Wisconsin (Van Ryn & DeGelleke), NRHP-listed
Nelson Hall, 1209 Fremont St., Stevens Point, Wisconsin (Van Ryn, Henry J.; de Gelleke, Gerrit), NRHP-listed
One or more works in Oshkosh State Normal School Historic District, buildings at 800, 842, and 912 Algoma Blvd., and 845 Elmwood Ave., Oshkosh, Wisconsin (Van Ryn & DeGelleke), NRHP-listed
Schofield Hall, 105 Garfield Ave., Eau Claire, Wisconsin (Van Ryn & DeGelleke), NRHP-listed
West Bend City Hall, 100 N 6th Ave, West Bend, Wisconsin, 1901 (Van Ryn & Degelleke), contributes to West Bend Downtown Historic District
West Bend Mutual Fire Insurance Company, 519 Hickory St, West Bend, Wisconsin, 1908 (Van Ryn & Degelleke), contributes to West Bend Downtown Historic District
Charles W. Stribley House, 705 W. Wisconsin Ave., Kaukauna, Wisconsin (Van Ryn & DeGelleke), NRHP-listed
Cyrus C. Yawkey House, 403 McIndoe St., Wausau, Wisconsin (Van Ryn & Degelleke), NRHP-listed
Connor Lumber and Land Company Store, 4894 Mill St., Laona, Wisconsin (Van Ryn & Degelleke), NRHP-listed

References

Defunct architecture firms based in Wisconsin