Howard Zinn
Michael Lester
Shelby Foote
Daniel Immerwahr
Annie Jacobsen
Joseph J. Ellis
Nigel Cawthorne
Jacob Soboroff
John U. Bacon
Donald L. Miller
Erik Larson
Ronald Takaki
Alfred Lansing
Candice Millard
Tim Weiner
Allan W. Eckert
Nigel Cawthorne
Hampton Sides
Elliott West
Candice Millard
Will Durant & Ariel Durant
Jill Lepore
Peter Cozzens
Bill O'Reilly & Martin Dugard
Dermot Turing
Pete Blaber
Fred Kaplan
William L. Shirer
Paul L. Williams
Lieutenant Colonel Dave Grossman
Bill O'Reilly & Martin Dugard
Jacob Nielsen
Ned Blackhawk
Winston Groom
Max Hastings
Hampton Sides
James MacPherson
Alex Kershaw
Stephen Fry
Tom Wolfe
Nikole Hannah-Jones, The New York Times Magazine, Caitlin Roper, Ilena SIlverman & Jake Silverstein
Sun Tzu
Julie Satow
Ari Shavit
Scott Anderson
Captivating History
Guy Walters
Gregory Michael Budd & Jake Harper-Ronald
U.S. Citizenship and Immigration Services
Norman Ohler
Barbara W. Tuchman
Bill Bryson
William Strauss & Neil Howe
Hampton Sides
Patrick K. O'Donnell
Rick Atkinson
Wright Thompson
Dan Jones
Gordon Corera
Erik Larson
Yuval Noah Harari
Harriet A. Washington
Adam Makos
Kostya Kennedy
Michael Smith
Nova Ashford
Malcolm Gladwell
Lucas Saul
Isabel Wilkerson
Bill O'Reilly & Martin Dugard
Antony Beevor
Max Hastings
Richard Overy
John Mack Faragher
Mariame Kaba & Kelly Hayes
Viktor Frankl
Timothy Egan
Elisabeth Griffith
Rick Atkinson
Shelby Foote
Tiya Miles
Erik Larson
Alex Wellerstein
Candice Millard
Jamaica Kincaid
Max Hastings
A.J.P. Taylor
Tom Clavin
Charles C. Mann
Benjamin H. Milligan
Philip Daileader & The Great Courses
Chester Nez & Judith Schiess Avila
John Keegan
Susan Wise Bauer
Egill Bjarnason
Thucydides
Thucydides
William McKeown
Tom Burbage, Betsy Clark, Adrian Pitman & David Poyer - ccontributor