Pseudonym: Arehart, Arnold F.
At page 43 of the original version of this document, it appears that the original requests were numbered on this original sheet, and then transferred onto three by five cards (see below). Note that this page is not found in later versions of this document!
Three by five index cards used by HSCA to submit requests regarding pseudonyms and cryptonyms - item #73 reads "Arnold F. Arehart".
Notebook used by the CIA to provide the HSCA with responses to requests to solve pseudonyms and cryptonyms - item #73 reads "Charles E. Flick".