Modifiche

|copyright= Dating from copyright note.

|copyright= Dating from copyright note.

|backco= Dating from a copyright note on the back.

|backco= Dating from a copyright note on the back.

|backref= Dating from a reference on the back.

|backref= Dating from a reference on the back,

|google= Dating established by finding the page on Google Books.

|google= Dating established by finding the page on Google Books.

}}

}}