SERIES I: CORRESPONDENCE
General correspondence 1946-68
1946-51
1952-53
1954-55
1956-1957 Aug, n.d.
1957 Sept-1958 July (Göttingen year)
1958 Aug-1959
1960
1961
1962, n.d.
1963-64
1965
1966
1967-68
Special correspondence 1955-70
Scientific correspondence 1955-61, n.d.
"Polarization of Starlight" 1958, n.d.
National Science Foundation: Science Faculty Fellowship Panel 1967-68
Siscoe and Jokipii 1967-69, n.d.
Comments on Astrophysics 1968-70
SERIES II: CALTECH MATERIAL
Letters of Recommendation
1949-59
1960-62
1963-65
1966-69, n.d.
Correspondence concerning prospective students 1954-62
Faculty affairs 1970-75 (includes Immaculate Heart material)
SERIES III: NASA
Mariner A and R experiments 1961-62
Mariner and space physics: correspondence 1962-68
Grants: correspondence and documents
1961-62
1963-65
Planetary and Interplanetary Subcommittee: correspondence and documents
1961 Jan-June, n.d.
1961 July-Dec
1962-65
SERIES IV: BIOGRAPHICAL
Biographical data
Certificates and citations
Exterior Ballistics of Rockets (book) 1958
Correspondence 1958
Copy with author's corrections