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Archive Internet Archive ID: birdsoflancashir00mitc described at URL: https://archive.org/download/birdsoflancashir00mitc/birdsoflancashir00mitc.pdf...
Archive Internet Archive ID: philosophicaltra180roya described at URL: https://archive.org/download/philosophicaltra180roya/philosophicaltra180roya.pdf...
Archive Internet Archive ID: museumhistorymus00good described at URL: https://archive.org/download/museumhistorymus00good/museumhistorymus00good.pdf...
PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Catalogue_of_the_private_library_of_Samuel_G._Drake_(IA_catalogueofpriva00drak).pdf...
Internet Archive Internet Archive ID: mobot31753002152764 described at URL: https://archive.org/download/mobot31753002152764/mobot31753002152764.pdf...
Archive Internet Archive ID: canadiannaturali04natu described at URL: https://archive.org/download/canadiannaturali04natu/canadiannaturali04natu.pdf...
ID: Addresspresiden00Muel described at URL: https://archive.org/download/Addresspresiden00Muel/Addresspresiden00Muel.pdf determination method: SHA-1...