Undetermined language
Published Oct. 19, 1963 by Collins and Harvill.
Dr. Seuss: Hop on pop. (Undetermined language, 1963, Collins and Harvill)
Undetermined language
Published Oct. 19, 1963 by Collins and Harvill.
**LibraryThing: Pairs of rhyming words are introduced and used in simple sentences, such as "Day. Play. We play all day. Night. Fight. We fight all night."