Charles L. Blockson, one of the leading authorities on African American history, has compiled one of the nation's largest private collections of black history artifacts, photographs, maps, and books, a culmination of forty years of research. This guide, drawn from his vast collection and research, explores sites significant to the African American experience in Pennsylvania and includes maps with highlighted events from each part of the state. Charles Blockson founded the Afro-American Historical and Cultural Museum in Philadelphia and is curator of the Charles L. Blockson Afro-American Collection at Temple University. He has written on the Underground Railroad for National Geographic.