Memoranda concerning descendants of John Perry, John Strong, John Fyfe, Robert Gray This book, "Memoranda concerning descendants of John Perry, John Strong, John Fyfe, Robert Gray", by Aaron F. Perry, is a replication of a book originally published before 1878. 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.