from Mordant de Launay and Loiseleur Deslongchamps, Herbier General de l'Amateur. Vol. 8 (1820), Paris, Audot, 1816-1827. Pl. 516. Repeated in Pierre Auguste Joseph Drapiez, Herbier de l'amateur de fleurs. Vol. 6 (1833), Brussels, 1828-1835. Pl. 395.
Secrist, Sally W. and N. Ann Howard (compiled by). 1977. 4th International Exhibition of Botanical Art & Illustration. Pittsburgh, Hunt Institute for Botanical Documentation, p.14.
Lawrence, George H. M. (compiled by). 1968. 2nd International Exhibition of Botanical Art & Illustration. Pittsburgh, Hunt Institute for Botanical Documentation, p.35.
for Myron Kimnach and P. C. Hutchison, ''Icones plantarum succulentarum, 8. Borzicactus aurantiacus (Vaupel) Kimnach et Hutchison, Cact. Succ. J. (Los Angeles) 29(2): 47. 1957 [Mar./Apr.]. Fig. 31.
for Myron Kimnach and P. C. Hutchison, ''Icones plantarum succulentarum, 10. Borzicactus calvescens Kimnach et Hutchison, Cact. Succ. J. (Los Angeles) 29(4): 113. 1957 [Jul./Aug.]. Fig. 64.
Hunt Institute has additional sketch of flower detail on onion paper 14 x 9 cm; also fig. 63 from above reference, a photograph by P. C. Hutchison of the clonotype.