Box-folder 137:4

Scope and Contents From the Sub-Series: Contains writings sent to Tombaugh for his review and comments, and includes correspondence as well as draft and published versions of articles and book chapters. Included are pieces about Tombaugh, the Trans-Saturnian Planet Search and the discovery of Pluto, Mars, and other astronomical subjects. Also included are papers read at the 50th anniversary Pluto meeting at NMSU and submitted for publication in the special Pluto issue of Icarus. Arranged alphabetically by...