1910s (by 1 person)

1920s (by 1 person)

1930s (by 1 person)

1940s (by 1 person)

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anecdotes (by 1 person)

ann arbor (by 1 person)

autobiography (by 1 person)

batak (by 1 person)

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department of agriculture (by 1 person)

diaries (by 1 person)

haiti (by 1 person)

harley harris bartlett journals (by 1 person)

hazel a bartlett (by 1 person)

hazel bartlett (by 1 person)

hh bartlett (by 1 person)

japan (by 1 person)

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mexico (by 1 person)

motherlode (by 1 person)

original source (by 1 person)

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personal journals (by 1 person)

phillipines (by 1 person)

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primary source (by 1 person)

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sumatra (by 1 person)

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university of michigan faculty (by 1 person)