William Williams Documents Ellis Island Immigrants considers the work of Ellis Island commissioner William Williams as he collected photos recording the history of the immigration facility and those who passed through its doors in the early 1900s. Using many stunning, full-page photos, it examines Williams’ role in executing US immigration policy during this pivotal time in American history. Features include a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.