/
This library is built in the open.
If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.

N. 20? This likely refers to a library shelf-mark or a catalog number from a previous collection.
indecipherable handwriting?
The printer's device shown here is the "Non Solus" mark of the Elzevir family, featuring an elm tree entwined with a grapevine, symbolizing the support that scholars and printers provide to one another.