Apex - Pearson Scott Foresman ArchivesRelatedFlickers - Pearson Scott Foresman ArchivesGlaive - Pearson Scott Foresman ArchivesGerman Shepherd - Pearson Scott Foresman ArchivesFelix Hoppe-Seyler. Image from Zeno.orgLt. Alex Pearson, George Grantham Bain CollectionLt. Alex Pearson - Public domain photograph, glass negativeMoreApex - Pearson Scott Foresman Archivesfile_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummaryArrow points the apexlabel_outlineTagsclip artleaf diagramspearson scott foresman publisherdate_rangeDate2007createSourceArchives of Pearson Scott Foresman, donated to the Wikimedia FoundationlinkLinkhttp://commons.wikimedia.org/copyrightCopyright infopublic domain