Trevor, Elleston. The Kobra manifesto Adam Hall [i.e. E. Trevor]. - Garden City, N.Y. Doubleday 1976. - 263 p. ISBN: 0385051085 7.95 LCCN: 75040703 LC Class. No.: PZ3.T7285 PR6039.R518 / Kp3 Dewey Class. No.: 823/.9/14