1.  Henry King Olmsted & George K. Ward.  1912. Genealogy of the Olmsted family in America:  Embracing the Descendants of James and Richard Olmsted and Covering a Period of Nearly Three Centuries, 1631-1912.  A.T. de la Mare Printing & Publ. Co. Ltd., NY (available in facsimile from Higginsons Books).

2.  Elisha S. Loomis.  1908.  Descendants of Joseph Loomis in America and His Antecedents in the Old World:  the Original Published by Elias Loomis, 1875.  Self-published (facsimile available from the New England Historic Genealogical Society, Boston).

3.  The Olmsted Family in America [link died] by Steven M. Lawson.

4.  Charles Edward Banks.  1930.  The Planters of the Commonwealth.  Houghton-Mifflin, Boston.

p. 99	LYON, William Peirce, Master, sailed from London June 22 and arrived September 16 at Boston.  'He brought one hundred and twenty three passengers, whereof fifty children, all in health.  They had been twelve weeks aboard and eight weeks from Land's End.'1
p. 101	JAMES OLMSTEAD Mrs. Joyce Olmstead Nehemiah Olmstead Nicholas Olmstead Richard Olmstead John Olmstead Rebecca Olmstead	of Fairstead, county Essex	Cambridge
	1Winthrop:  Journal, I, 92.

Be aware that Banks is not a primary source and these are not necessarily actual passenger lists.  They are compiled probable or possible lists based on other, circumstantial evidence.

5.  Gary Boyd Roberts.  1995.  Ancestors of American Presidents.  New England Historic Genealogical Society, Boston, p. 27.

6.  Timothy Hopkins.  1932.  John Hopkins of Cambridge, Massachusetts, 1634, and Some of His Descendants.  Stanford Univ. Press, Stanford, CA.  As a footnote on p. 23:

Elizabeth was the daughter of Capt. Nicholas Olmstead, bapt. 15 February 1612, and Sarah Loomis, b. 1617.  He was son of James Olmstead, b. in England 4 December 1580, and came from Great Leighs, Essex, England, in 1632.  He was Captain of Dragoons raised in Hartford for active servce in King Philip's war, 1675.  (Connecticut Society Colonial Dames [1907], p. 272.)