found: Conf. on Optimal Control & Differential Equations, Univ. of Okla., 1977. Optimal control ... 1978 (a.e.)t.p. (Walter G. Kelley, Dept. of Math., Univ. of Okla.)
found: An axiomatization of the Wazewski topological method ... 1972:t.p. (Walter Gill Kelley; Ph.D., Univ. of Colo.)
found: The theory of differential equations, 2003:CIP t.p. (Walter Kelley)
found: Digital dissertations, Sept. 24, 2007(Kelley, Walter Gill, Ph. D., University of Colorado at Boulder, 1972--An axiomatization of the Wazewski topological method and applications to differential and integral equaltions)
found: U.S. copyright file, Sept. 24, 2007(Kelley, Walter G., 1946- )