If you are interested in the time periods in my books, there are a lot of print and online resources available. I've listed a smattering of each for both the medieval manuscripts and the 19th century America of The Lightkeeper's Wife. Your local library can direct you to additional materials.

19th Century | Medieval

19th Century America

• 1871: The Great Fire
• 19th Century Merchant Marine
• American Memory Project
• Feeding America: Historic American Cookbooks
• The Great Chicago Fire
• The Great Fire by Jim Murphy (New York: Scholastic, 1995)
• Lighthouse Keepers in the Nineteenth Century
• Lumbering in Michigan
• The Northern Lights: Lighthouses of the Upper Great Lakes by Charles K. Hyde (Lansing, MI: TwoPeninsula Press, 1987)
• Seeing the Light: Western Great Lakes Lighthouses
• Great Lakes Maritime Database
• Historical Collections of the Great Lakes: Maritime History
• Michigan Lighthouse Conservancy

Medieval

Abbeys & Religion:

• Book of Abbeys and Priories by Glyn Coppack (London: English Heritage, 1990)
• The Benedictine Order
• The Catholic Encyclopedia
• The Rule of St. Benedict

Castles:

• The Architecture of Castles: A Visual Guide by R. Allen Brow (Facts on File, 1984)
• British Castles by Charles W.C. Oman (New York: Dover, 1989)
• Castles: A History and Guide by R. Allen Brown (New York: Greenwich House, 1982)
• Castles on the Web
• Historical Royal Palaces in Great Britain
• Life in a Medieval Castle by Joseph and Frances Gies (New York: Perennial, 2002)

Medieval Clothing

• The Beautiful Bliaut
• English Costume from the Early Middle Ages Through the Sixteenth Century by Iris Brooke (Mineola, NY: Dover, 2000)
• Medieval Costume and Fashion by Herbert Norris (Mineola, NY: Dover, 1999)

Medieval Craftsmanship

• The Book of Looms by Eric Broudy (University Press of New England)
• A History of Jewellery: 1100-1870 by Joan Evans (Boston: Bostom Book and Art, 1970)
• Leaves of Gold: Manuscript Illumination
• On Divers Arts: The Foremost Medieval Treatise on Painting, Glassmaking and Metal Work John G. Hawthorne and Cyril Stanley Smith, translators (New York: Dover, 1979)
• The Smithsonian Book of Books by Michael Olmert (New York: Wings Books, 1995)

Medieval History

• BBC British History
• British History Online
• John, King of England by John T. Appleby (New York: Alfred A. Knopf, 1959)
• The Reign of King John by Sidney Painter (Baltimore: Johns Hopkins Press, 1949)
• The Templars by Piers Paul Read (New York: St. Martins, 2000)

Medieval Life

• The Columbia Medievalist's Homepage
• Daily Life in Chaucer's England by Jeffrey L. Singman and Will McLean (Westport, CT: Greenwood Press, 1995)
• A History of Everyday Things in England by Marjorie and C.H.B. Quennell (New York: Charles Scribner's Sons, n.d.)
• Medieval Feasts and Banquets: Food, Drink, and Celebration in the Middle Ages by Tehmina Bhote (New York: The Rosen Publ. Group, 2004)
• The Labyrinth
• Medieval Links
• Medieval Women: A Social History of Women in England, 450-1500 by Henrietta Leyser (New York: St. Martins, 1995)
• NetSerf
• The Ties that Bound: Peasant Families in Medieval England by Barbara A. Hanawalt (New York: Oxford University Press, 1986)

Medieval Medicine & Herbology

• Henriette's Herbal
• Hildegard's Healing Plants translated by Bruce W. Hozeski (Boston: Beacon Press, 2001)
• Medieval Use of Herbs