This fourth book of Volume 19 contains only a portion of publications which appeared between July 1 and December 31, 2008. The first three books of Volume 19 contain Special Collection 7, ¿Childbearing Trends and Policies in Europe.¿ The fourth and fifth books of Volume 19 contain the subsequent articles. Book IV contains articles 30 through 45, and book V contains articles 46 through 62. All material published in volume 19, as well as full journal content, is available as open access material at: http://www.demographic-research.org/.