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Bibliographic Record
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- Material Type
- 図書
- Author Heading
- Publication Date
- 1948.
- Publication Date (W3CDTF)
- 1948
- Extent
- 46 「?」. illus. 28 cm.
- Note (Dissertation)
- Thesis--John Hopkins Univ.
- Place of Publication (Country Code)
- US
- Text Language Code
- eng
- Subject Heading