A.W.S. Rosenbach was the best-known book collector and dealer of the late 19th and early 20th century, says Edward G. Pettit, the manager of public programs at the Rosenbach museum in Philadelphia. “He would pay the highest prices, and he would publicize it,” Pettit says. Rosenbach loved Sherlock Holmes and the works of Lewis Carroll—both of which are well represented in museum that was established in his will—but he probably wouldn’t have been into the pieces that are now among the most famous in the collection: more than 100 pages…
