Series consists of field notebooks created by Williams or others who worked on projects with which he was involved. Series is arranged chronologically by date of creation. Notes briefly explaining the activities out of which the notebooks have been created have been added. 40 cm of textual records. Series consists of copies of reports written by M.Y. Williams.
Series is arranged chronologically.
2.4 m of textual records. M.Y. William's publications and reports and, more broadly, general subjects around which he assembled research material. 2.2 m of textual records. Series consists of incoming and copies of outgoing correspondence. Series is arranged alphabetically by correspondant or subject.