Hellman, Clarisse Doris, 1910- The comet of 1577: its place in the history of astronomy, by Clarisse Doris Hellman ...

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Hellman, Clarisse Doris, 1910-

The comet of 1577: its place in the history of astronomy, by Clarisse Doris Hellman ...

Comets -- 1577.

Astronomy -- History.

Comets -- 1577 -- Bibliography.