My Family Tree - Sources - Threlfall, 1990, p. 100,

Threlfall, 1990, p. 100,

Author	Fifty Great Migration Colonists
Abbreviation	Threlfall, 1990, p. 100,

References

1. Birth, Frost, Henry
  1. Frost, Henry (Primary)
2. Frost, Henry
1. Frost, Roger
2. Burial, Frost, Roger
  1. Frost, Roger (Primary)