The Felix Frankfurter papers, the Joseph Alsop papers and the Averell Harriman collection are housed in the Library of Congress of the US. In particular the Frankfurter papers are important by virtue of the deep and longstanding friendship between him and Jean Monnet and because of the their similar beliefs regarding Europe. The original record code from the Library of Congress is detailed in each individual dossier description.
The documents have been grouped according to their provenance in the Library of Congress and the units are subsequently described according to subject matter.
There are no restrictions regarding photocopying in the Library ofCongress, so copies can be made in HAEC.

The originals are held in various Archives and Presidential Libraries in the USA