This directory contains scans which fill in some of the gaps in the Google Books and other online collections. It also includes scans of those pages in Google Books which are missing or unreadable. The description fields within these pdf files provide full citations and, where applicable, give links to the corresponding Google Books. Also included are some pdf versions of Google Books which others have reported problems obtaining (the "id=" links provide the corresponding links to Google Books). The geodesic bibliography contains links to these and many other papers on geodesics.