found: Groote zoon van de stad : Adam Schadee, stadsarchitect Den Haag 1891-1927, 2016:p. 23 (b. Wamel, July 28, 1862) p. 26 (d. Paris, Dec. 18, 1937)
found: National Library of the Netherlands in VIAF, Jan. 23, 2017(access point: Schadee, Adam, 1862-1937)
found: Allgemeines Künstlerlexikon. Bio-bibliographischer Index A-Z, 2007(Schadee, Adam; b. Wamel (Gelderland), 1862; last mentioned after 1888)
found: The Hague : an architectural guide, 2011:p. 15 (Adam Schadee, city architect) p. 133 (A.A. Schadee; Adam Schadee) p. 337 (Schadee, A.A. (Adam); b. 1862; d. 1937)