Johns Hopkins University News-letter, Volume 35, Number 23 (1931 January 13)
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Johns Hopkins University News-letter, Volume 06, Number 15 (1902 May 07)
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Johns Hopkins University News-letter, Volume 35, Number 22 (1931 January 09)
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Johns Hopkins University News-letter, Volume 06, Number 14 (1902 April 23)
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Johns Hopkins University News-letter, Volume 35, Number 21 (1930 December 19)
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Johns Hopkins University News-letter, Volume 06, Number 13 (1902 April 09)
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Johns Hopkins University News-letter, Volume 35, Number 20 (1930 December 16)
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Johns Hopkins University News-letter, Volume 06, Number 12 (1902 March 26)
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Johns Hopkins University News-letter, Volume 35, Number 19 (1930 December 12)
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Johns Hopkins University News-letter, Volume 06, Number 11 (1902 March 12)
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