"The work [left in proof-sheet form] has been concluded with the assistance of Mr. George W. Harris, librarian of Cornell University, and Mr. Halldor Hermannsson of Reykjavʹik, who were testamentarily named for this purpose. The latter has revised and completed the index itself." cf. Pref., p. ix.
Inserted is a postal card with the author's signature.
"Some of the material already collected for the second volume may appear later in the annual publications relating to Iceland, to be issued by Cornell university on the foundation left by the author." cf. Pref., p.ix.