found: Illustrated dictionary of place names, 1985:CIP t.p. (Kelsie B. Harder) pub. info (Exec. Sec. of Am. Name Soc.; Dr. Harder, Chm. of Eng. Dept. at State Univ. Col., Potsdam, N.Y.)
found: LC data base, 9-19-94(hdg.: Harder, Kelsie B.)
found: Names and their varieties, c1986:CIP t.p. (Kelsie B. Harder) data sheet (b. 8/23/22)
found: New York times WWW site, Apr. 23, 2007(in obituary published Apr. 22: Kelsie B. Harder; b. Kelsie Brown Harder, Aug. 23, 1922; d. Apr. 12, Potsdam, N.Y., aged 84; his ruminations about why his parents gave him what sounded like a girl's name provoked such enthrallment with proper nouns that he became a leading onomastician)