[Collegium ethicum : in quo tota philosophia moralis aliquot disputationibus perspicue & breviter explicatur
Collegium ethicum is a 1649 Latin philosophy textbook on moral philosophy by Adrianus Heereboord, printed at Leiden for scholars and students, and later owned by John Adams. Its pictures are small woodcut initial letters set in square frames with carved scrolls, winged figures and grotesque heads, a decorative vocabulary a designer could borrow for monograms, drop caps and framed capitals.
