http://www.gutenberg.org/ebooks/author/8822.opds
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Books by Ayres, Leonard Porter (sorted by popularity)
Free eBooks since 1971.
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https://en.wikipedia.org/wiki/Leonard_Porter_Ayres
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2025-01-10T14:42:34Z
https://sendtokindle.compellingsciencefiction.com/ebooks/19701.opds
Health Work in the Public Schools
Leonard Porter Ayres and May Ayres