The Manufactured Cards sub-subseries 33 consists of Valentines that have been cut and printed by machine. They are typically a single-fold card or may be printed on a single piece of cardstock. These cards have no evidence of human manipulation in its manufacturing and are typically one-dimensional.

The Ephemera sub-subseries consists of miscellaneous, non-greeting card items, composed of 5 printed documents and 1 physical object. In it are writers, small pamphlets destined to provide the reader with tips on how to write letters and messages to all sorts of people, as well as greeting card catalogs and press. There is also a wall pocket, presumably used to hold cards, that was equally being sold by wholesalers of greeting cards.

The Miscellaneous Greeting Cards sub-subseries contains all cards that are not Valentines. They were either found within the same seller’s scrapbooks as the Valentine cards or were found mixed with the fonds, possibly belonging to a same recipient as the some of the Valentine cards. The other greeting cards take various forms and shapes and typically commemorate an important life event.

The Rebus Valentines sub-subseries consists of printed valentines that contain puzzles or cryptographic messages that the recipient must decipher. This can include messages written in hieroglyphics or hidden in endless knots.

The Scrapbooks sub-subseries contains a full scrapbook of publisher’s samples, as well as individual scrapbook pages with multiple attached cards that have been extracted from a book. The cards in these scrapbook pages usually include a bulk price per dozen and instructions from the publishers, such as to specify the desired message inside the card. There are some pages that may be from a personal scrapbook as the cards pasted inside it are signed by a sender.

The Sentimental Valentines sub-subseries consists of cards, handmade or manufactured, in which a long, sentimental poem is the main feature. The cards range in terms of format and style. They may be elaborately decorated by hand with several materials, or simple printed on cardstock. They are usually illustrated with allegorical images or stock illustrations of couples, mythology or landscapes. Some of the cards have handwritten messages professing one’s love for the recipient. They are excellent examples of Victorian sentimentality and 19th century poetic verse.