Burton W. Spear

• Search for the Passengers of the Mary and John, 1630
• Search for the Passengers of the Mary & John, 1630. Volume 18. West Country Ancestries, 1620-1643, Part 2
• Search for the Passengers of the Mary and John, 1630 Gallop Thru Greenway
• Search for the Passengers of the Mary & John 1630 Vol. 17 West Country Ancestries, 1620-1643 Part 1
• Search for the Passengers of the Mary & John, 1630
• Search for the Passengers of the Mary & John, 1630: Guide to all Mary & John Clearinghouse volumes
• Search for the Passengers of the Mary & John, 1630: West County ancestries, 1620-1643, pt.4
• Search for the Passengers of the Mary & John, 1630 Vol. VIIII
• Search for the Passengers of the Mary and John, 1630 Master Index Vol's Iv-Viiii