Biodiversity Heritage Library mailto:biodiversitylibrary@gmail.com The Intellectual observer text issue Harvard University, Museum of Comparative Zoology, Ernst Mayr Library v.5 (1864) London Groombridge and Sons 1862-1868 1862 1868 Monthly v.5 (1864)
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 ENG Periodicals Science Q1 .I57 Recreative science https://www.biodiversitylibrary.org/bibliography/3713 1763544 Student, and intellectual observer 9344588 sn88027017 https://www.biodiversitylibrary.org/item/122072 10219627 sn88027022 Harvard University, Museum of Comparative Zoology, Ernst Mayr Library https://www.biodiversitylibrary.org/item/122072 https://www.biodiversitylibrary.org/pagethumb/39488128 v.5 (1864) Public domain. The BHL considers that this work is no longer under copyright protection. DLC item/122072 Machine-generated from BHL metadata