This is a collection of the first known vocabularies of Mohawk dating from the mid-17th century. It features a 1635 vocabulary of about 200 words from the anonymous Journey into the Mohawk Country, ascribed to Harmen van den Bogaert. The volume also includes Wassenaer's numerals and month names of 1624, and 15 words from Megapolensis's word list of 1644.