in washington dc, yoffe first worked as a cataloging consultant for the european division of the library of congress in march 1992. in 1993, he undertook a trip to moscow sponsored by the international research & exchanges board (irex) to collect materials—mostly underground rock recordings, zines, and ephemera—for what later became yoffe's international counterculture archive. the first part of the archive collected during that trip to moscow is, as of 2016, in custody of the library of congress's european division.