Barth (Karl and Markus) http://hdl.handle.net/11258/33156 Thu, 30 Apr 2026 07:21:21 GMT 2026-04-30T07:21:21Z 10 Letter of Thanks http://hdl.handle.net/11258/31945 10 Letter of Thanks TCO to Markus Barth Fri, 15 Jan 1965 00:00:00 GMT http://hdl.handle.net/11258/31945 1965-01-15T00:00:00Z 05 Request with Details on Arrangement http://hdl.handle.net/11258/31940 05 Request with Details on Arrangement TCO to Arthur Cochrane Mon, 24 Feb 1964 00:00:00 GMT http://hdl.handle.net/11258/31940 1964-02-24T00:00:00Z 07 Letter of Thanks and Invitation http://hdl.handle.net/11258/31942 07 Letter of Thanks and Invitation TCO to Arthur Cochrane Fri, 12 Jun 1964 00:00:00 GMT http://hdl.handle.net/11258/31942 1964-06-12T00:00:00Z 08 Request for Help with Dissertation http://hdl.handle.net/11258/31943 08 Request for Help with Dissertation TCO to Markus Barth Tue, 16 Jun 1964 00:00:00 GMT http://hdl.handle.net/11258/31943 1964-06-16T00:00:00Z