Servatii Gallæi Dissertationes de sibyllis earumque oraculis, cum figuris æneis
Servatius Gallé's 1688 Latin dissertation on the Sibyls and their oracles, published in Amsterdam by Henricus Boom and the widow of Theodorus Boom, is a scholarly treatise for learned readers. Its pictures are decorative woodcut initial letters, P, P, I and Q, with dense acanthus scrolls and leafy filigree framing each letter, offering a designer historical models for ornamental capitals and border work.
