SCHMIDT, A.M.G. Woelewippie onderweg. (1960). Sm-8°-obl. Owrps. -- Id. Drie stouterdjes gaan snoepen. (1958). 12°-obl. Owrps. -- HET KLEINSTE SPROOKJESBOEK. (1966). Booklet in matchbox, without the or. magnifying glass and letter of apology to the Swedish Swallow Company. -- (3).