A bibliography of the writings of Professor Mark Vernon Slingerland This book, "A bibliography of the writings of Professor Mark Vernon Slingerland", by Mortimer Demarest Leonard, is a replication of a book originally published before 1914. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.