Flexibility in early verb use : evidence from a multiple-N diary study / Letitia R. Naigles, Erika Hoff, and Donna Vear ; with commentary by Michael Tomasello [and others].

Introduction
Presenting the diary method
A general description of early verb growth and use
Pragmatic and semantic flexibility in early verb use
Productivity and grammatical flexibility in early verb use
Differences in early verb growth and use as a function of developmental period, child, and verb
General discussion
Commentary. Flexibility in the semantics and syntax of children's early verb use / Michael Tomasello and Silke Brandt
Learning from infants' first verbs / Sandra R. Waxman
Early verb learners : creative or not? / Jane B. Childers.