Heiser, Charles B. (1947). "Hybridization Between the Sunflower Species Helianthus annuus and H. petiolaris". Evolution. 1 (4): 249–262. doi:10.2307/2405326. ISSN0014-3820. JSTOR2405326.
Heiser Jr, Charles B. (1955). "The origin and development of the cultivated sunflower". The American Biology Teacher. 17 (5): 161–167. doi:10.2307/4438706. JSTOR4438706.
Cutler, Hugh C. (1974). "Review of Seed to Civilization. The Story of Man's Food by Charles B. Heiser, Jr". The Quarterly Review of Biology. 49 (3): 279–280. doi:10.1086/408156. ISSN0033-5770.
Marderosian, Ara der (1970). "Review of Nightshades: The Paradoxical Plants by Charles B. Heiser, Jr". The Quarterly Review of Biology. 45 (3): 301. doi:10.1086/406617. ISSN0033-5770.
"Charles Bixler Heiser Jr. (1920—2010)". Biology Department, Indiana University Bloomington. The Indiana University website gives incorrect years for Heiser's A.B. and M.A. — the years should be 1943 and 1944, respectively.
Heiser, Charles B. (1947). "Hybridization Between the Sunflower Species Helianthus annuus and H. petiolaris". Evolution. 1 (4): 249–262. doi:10.2307/2405326. ISSN0014-3820. JSTOR2405326.
Heiser Jr, Charles B. (1955). "The origin and development of the cultivated sunflower". The American Biology Teacher. 17 (5): 161–167. doi:10.2307/4438706. JSTOR4438706.
Heiser, Charles B. (1947). "Hybridization Between the Sunflower Species Helianthus annuus and H. petiolaris". Evolution. 1 (4): 249–262. doi:10.2307/2405326. ISSN0014-3820. JSTOR2405326.
Cutler, Hugh C. (1974). "Review of Seed to Civilization. The Story of Man's Food by Charles B. Heiser, Jr". The Quarterly Review of Biology. 49 (3): 279–280. doi:10.1086/408156. ISSN0033-5770.
Marderosian, Ara der (1970). "Review of Nightshades: The Paradoxical Plants by Charles B. Heiser, Jr". The Quarterly Review of Biology. 45 (3): 301. doi:10.1086/406617. ISSN0033-5770.