For collectors, "paper for" often refers to the that accompanied the 7-inch vinyl release on Reprise Records (Catalog No. 0491).
While "Friday's Child" was famously a hit single (mono), it later appeared in "true stereo" on the album Nancy in London . Collectors often track these specific versions to avoid "fake" or "rechanneled" stereo common in that era. fridays_child_true_stereo
The standard US release typically came in a generic Reprise Records paper sleeve, though some international versions, like the Netherlands release, featured a fold-over picture sleeve . For collectors, "paper for" often refers to the
Friday’s Child / Hutchinson Jail Nancy Sinatra (Reprise) FB - eBay though some international versions
If you are looking for a or academic resource regarding the stereo recording of this specific track: