[Pulp] Detectives, lot of 31 Dutch early 20th cent. titles
Incl.: (1) 17 detective- and crime novels by Ivans. (2) 4 novels by E. Philip Oppenheimer. (3) 4 novels by F. de Sinclair (4) and 6 more similar titles.
Mostly in (more scarce) orig. softcover binding, some in hardcover. Mostly in fair/good condition. (total 31)