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    Solar observations at 8.6-mm wavelength / by Kalaghan, Paul M.

    Published 1970
    Government Document Book
  3. 3
  4. 4

    Classification of sunspot prominences for sunspot cycle no. 19 - 1957 / by Manzel Donald H., Jones, F. Shirley

    Published 1963
    Government Document Book
  5. 5

    Solar cycle variation and application to the space radiation environment

    Published 1999
    Click here to view paper online
    Government Document Microfilm Book
  6. 6
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  8. 8

    Sunspot areas 1907-1970 / by Harrington, Robert S., Miranian, M.

    Published 1971
    Government Document Book
  9. 9
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  11. 11

    Triplicity : Echo round his bones ; The genocides ; The puppies of Terra / by Disch, Thomas M.

    Published 1967
    Book
  12. 12

    Sunspots and their effects / by Stetson, Harlan True, 1885-1964

    Published 1937
    Book
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  15. 15
  16. 16

    The solar constant and sunspot numbers.

    Published 1945
    Full Text (via ProQuest)
    Government Document eBook
  17. 17

    A physical mechanism for the production of spot related solar prominences / by White, Marvin L.

    Published 1974
    Government Document Book
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