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Research Materials


All research material consulted for this publication was obtained from publicly-available sources. Newspaper and magazine articles were retrieved from public online sources or viewed in person at library collections.


The following archives in California and Connecticut provided an opportunity to view personal correspondence and other related material:

California Room, San Jose Public Library, San Jose, California

Connecticut Historical Society, Hartford, Connecticut.

History San Jose Archives, San Jose, California

Local History Room, New Haven Public Library, New Haven, Connecticut

Medical History Library, Harvey Cushing/John Hay Whitney Medical Library, Yale University, New Haven, Connecticut

San Mateo County History Museum, Redwood City, California

Stanford University Archives, Stanford, California

Stocklmeir Library and Archives, California History Center, De Anza College, Cupertino, California

Whitney Library, New Haven Museum, New Haven, Connecticut

Yale New Haven Hospital Archives, New Haven, Connecticut

Yale University Archives, New Haven, Connecticut


Captive of the Labyrinth


We would like to thank Mary Jo Ignoffo for her pioneering research on Sarah Winchester.  She is the author of Captive of the Labyrinth: Sarah L Winchester, Heiress to the Rifle Fortune (University of Missouri Press, 2010).  We highly recommend this book for those interested in a full-length biography of Sarah Winchester.


Captive of the Labyrinth is available on

About the Researcher


Bennett Jacobstein is a researcher, an author, a publisher, and a retired librarian with a Master’s in Library and Information Studies from the University of California at Berkeley and a B.A. from Stanford University.


As the founder of Toucan Valley Publications, Jacobstein researched and compiled numerous statistical and demographic reference publications including the 16-volume Profiles of America and Comparative Guide to American Suburbs, both named as Library Journal Best Reference Sources.


Jacobstein has also written children’s nonfiction including A Constitution for California, listed as a key source by the California Department of Education’s Education for Democracy curriculum.


More recently, he has written The Joy of Ballpark Food: From Hot Dogs to Haute Cuisine, for which he traveled to all thirty major league baseball stadiums to research current food trends as well as ballpark food classics. Jacobstein appeared on television and radio sharing his joy of baseball food.


Jacobstein has been fascinated by the story of the misunderstood Sarah Winchester and has used his research skills to reveal the facts about the real Sarah Winchester.

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