Filby, P. W., & Lower, D. M. (1990). Passenger and Immigration Lists Index: A guide to published arrival records of more than 1,775,000 passengers who came to the New World between the sixteenth and the early twentieth centuries : 1986-90 Cumulated Supplement. Gale Research Inc.

Filby, P. William, and Dorothy M. Lower. Passenger and Immigration Lists Index: A Guide to Published Arrival Records of More than 1,775,000 Passengers Who Came to the New World Between the Sixteenth and the Early Twentieth Centuries : 1986-90 Cumulated Supplement. Gale Research Inc, 1990.