Deletion of A History of the Modern World

Comment: This book qualifies as a notable textbook under the criteria set forth at . The author's ''New York Times'' obituary makes the case succinctly: "This year, the ninth edition of Dr. Palmer's textbook, ''A History of the Modern World,'' was published, and overall sales are approaching two million. First published in 1950, it has been translated into six languages and is used in more than 1,000 colleges and universities as well as many high school advanced placement courses. . . .  In 1987, ''The New York Times'' put it on its list of the 19 classic textbooks of all time, in all disciplines. ''The Washington Post'' in 1996 called it 'the first book to be elevated to the textbook hall of fame.'"http://www.nytimes.com/2002/06/18/us/r-r-palmer-93-history-text-author-dies.html Likewise, his AHA obit reports: "Back at Princeton he completed his most influential work, a textbook on modern European history that became the gold standard for classroom books. First published by Alfred Knopf in 1950, ''A History of the Modern World'' was revised for subsequent editions in collaboration with Joel Colton. In the twilight of his unparalleled publishing career, Mr. Knopf named Palmer's textbook, in company with various literary giants, as one of his proudest accomplishments. Generations of college students valued its lucid prose, artful weaving of detail and argument, and (perhaps without realizing it) its humane liberal perspective. The textbook was translated into several languages, is still in print today, and has sold well over one million copies."https://www.historians.org/publications-and-directories/perspectives-on-history/september-2002/in-memoriam-robert-r-palmer  Now, what's needed to improve this article is more sources to further verify and elucidate this book's longstanding status.  The recently-added and lengthy index of the book's contents, on the other hand, is not really the sort of thing we tend to include in Wikipedia articles
Stance: keep
Cited policy: Wikipedia:Notability (WP:TEXTBOOKS)