See also,
Anderson (2005) for Elizabeth Hawkins m (1) Nathaniel Long. Robert Charles Anderson, The Great Migration, Immigrants to New England, 1634-1635, Volume IV, I-L (Boston: New England Historic Genealogical Society, 2005), 316-320 (Robert Long) at 319 (son, Robert Long); digital images by subscription, AmericanAncestors, cites "WP 5:267" (1648 letter), and "Aspinwall 100, 225, GMB 1577, 2041" (Nathaniel Long (abt.1622-1648)).
Anderson (1995) for Elizabeth (Hawkins) Long m. (2) Adam Winthrop. Robert Charles Anderson, The Great Migration Begins: Immigrants to New England 1620-1633, Volumes I-III, 3 vols. (Boston: New England Historic Genealogical Society, 1995), 2038-2042 (John Winthrop) at 2040-2041 (child, Adam Wintrhop); digital images by subscription, AmericanAncestors, Adam Winthrop "m. (2) 7 May 1649 Elizabeth (Hawkins) Long, daughter of Thomas Hawkins and widow of Nathaniel Long," citing "Aspinwall 225."
Anderson (2011) John Tuttle, for Elizabeth (Hawkins) (Long) Winthrop. Robert Charles Anderson, The Great Migration, Immigrants to New England, 1634-1635, Volume VII, T-Y (Boston: New England Historic Genealogical Society, 2011), 125-135 (John Tuttle) at 126; digital images by subscription, AmericanAncestors, for quoted material, "Mr. Adam Winthrop husband of Elizabeth late wife of Nathaniell Longe late of Boston did constitute John Tuttle of Ipsw[ich] his true and lawful attorney … to call to account all persons whatsoever in Barbados … in whose hands any the said goods, wares &c. [of Nathaniel Long] now be remaining," citing "Aspinwall 225; see also Aspinwall 113, 227, 230, 362, 414, 423 and SLR 1:270-72."
Stott (2009) for Elizabeth (Hawkins) (Long) Winthrop m (3) John Richards. Clifford L. Stott, Humphrey Blake (1494?–1558) and His Descendants in New England and South Carolina: Blake, Richards, Selleck, Torrey, and Wolcott, The New England Historical & Genealogical Register, in part, 163 (2009, WN 652):278-295+ at 294 (John Richards); digital images by subscription AmericanAncestors, John Richards m. (1) in Boston, 3 May 1654, Elizabeth (Hawkins) (Long) Winthrop, as her third husband.
Wilcox (1997) for Elizabeth (Hawkins) (Long) (Winthrop) Richards. Wayne H. M. Wilcox, Captain Thomas Hawkins, Shipwright, of London and Dorchester, Massachusetts, and Three Generations of His Descendants, The New England Historical & Genealogical Register, 151 (1997): 193-216 at 200-203; digital images by subscription, AmericanAncestors, Elizabeth Hawkins m. .... (3) at Boston 3 May 1654, John Richards.