The annotated bibliography that follows summarizes some of the more important studies that have been published concerning smoking and its effects on the fetus along with reports of the various efforts that have been undertaken to reduce the impact of smoking during pregnancy. The material has been divided into topics to guide the reader and cross-references are included at the end of each section. An Author Index is also included to guide the reader to relevant publications when only an author's name is known. The following comments constitute an overall summary of the literature.