322.png <LIMITED>

: Renewals for The Mystery at the Moss-Covered Mansion (Nancy Drew series). Other Potential Matches

Specifically, in the 1968 July–December records, (indexed as page 322) covers renewal registrations for authors and titles such as: 322.png

: There are commercial digital bundles, such as Watercolor Spring Animal Wreaths on Etsy, that contain exactly 322 PNG images. : Renewals for The Mystery at the Moss-Covered

: Renewals for The Bobbsey Twins at the Ice Carnival under the pseudonym Laura Lee Hope. in the 1968 July–December records

While the Project Gutenberg file is the most likely "paper" or document reference, "322.png" also appears in other contexts: