AIS 1939 Checklist notes: "Charles F. Wassenberg (1875- ?), Van Wert, Ohio. Wholesale and retail grower of Irises and Peonies. First President, Commercial Peony and Iris Growers' association and now Treasurer. Director, since 1928. Catalogue listing many varieties of numerous types of Irises."
1923 catalog Charles F. Wassenberg Wassenberg 1923 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.histori...
1924 catalog Wassenberg Wassenberg 1924 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris.org/ ...
1924 catalog C.F. Wassenberg Wassenberg 1925 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris….
1926 Catalog Wassenberg Wassenberg 1926 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris.org/ ...
1927 catalog Wassenberg Wassenberg 1927 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris.org/ ...
1928 catalog C. F. Wassenberg Wassenberg 1928 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris….
1929 catalog C. F. Wassenberg Wassenberg 1929 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris….
1930 catalog of C. F. Wassenberg Wassenberg 1930 For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historicir...
1031 catalog Wassenberg Wassenberg 1931 special For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historicir...
1943 catalog C. F. Wassenberg https://www.biodiversitylibrary.org/item/295243#page/3/mode/1up For more information on historic Irises visit the Historic Iris Pres...
1944 catalog Wassenberg https://www.biodiversitylibrary.org/item/296949#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservati...
1945 catalog Wassenberg https://www.biodiversitylibrary.org/item/298274#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservati...
1946 catalog Wassenberg https://www.biodiversitylibrary.org/item/299966#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservat...
1948 catalog Wassenberg https://www.biodiversitylibrary.org/item/304036#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservati...
1949 catalog Wassenberg https://www.biodiversitylibrary.org/item/306623#page/3/mode/1up and https://www.biodiversitylibrary.org/item/306617#page/3/mode/1up For m...
1950 catalog Wassenberg https://www.biodiversitylibrary.org/item/309570#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservati...
1951 catalog Wassenberg https://www.biodiversitylibrary.org/item/314435#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservati...
1953 catalog Wassenberg https://www.biodiversitylibrary.org/item/318643#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservati...
1953 catalog Wassenberg: Wholesale https://www.biodiversitylibrary.org/item/318889#page/3/mode/1up For more information on historic Irises visit the Historic Iris...