Rewald, S. Twentieth-century modern masters, c1989: CIP t.p. (Natasha Gelman)

La Colección de pintura mexicana de Jacques y Natasha Gelman, c1992: t.p. (Natasha Gelman) adenda p. (Natalie Zahalka de Gelman, b. Czechoslovakia 25 July 1911)

N.Y. times, May 6, 1998 (Natasha Gelman; collector of 20th-century art; b. Natasha Zahalkaha in Prostejov, then Bohemia [i.e. Moravia, per "corrections" on May 12]; lived in Mexico from 1939; d. May 2 in Cuernavaca, Mexico at age 86)

Frida Kahlo, Diego Rivera and Mexican modernism, 2001: p. 8 (d. May 4, 1998)