Letter from Edwin Link to Robert Stenuit discussing the idea of obtaining a submarine for a SDC.

Letter from Marion Link to I. E. Wallen issuing endowment checks to the Smithsonian Institution in preparation for the 2nd annual Edwin Link Lecture there.

Letter from Jacques Piccard to Edwin Link inviting him to attend an informal discussion series about the Gulf Stream Project.

Letter from H. Ziebolz to Edwin Link giving him an article about a new underwater camera. Telegram to Edwin Link inviting him to an oceanography conference. Letter from E.C. Stephan to Jacques Piccard informing Piccard that he cannot attend the discussion event.

Letters between Edwin Link, Tubby, John Perry Jr., Marilyn Link, and I.E. Wallen regarding advice for a treasure hunting story, configuration ideas for a submersible, and a request to see the progress report for “Opportunities in Oceanography”.

Letter from E. C. Stephan to United States Rubber Co. discussing the disappointment felt in the U.S. Rubber Company’s dispute in paying 50% of a $4200 bill. Letter from Edwin Link to David McDonald discussing the progress made in ocean engineering by both the Navy and civilians.

Letters between Edwin Link and Frank Uhlig Jr. in preparation for writing an essay for the Naval Review of 19. Letter from I. E. Wallen to Edwin Link discussing ALVIN and Perry submarine vehicles and their usability, as well as a progress report for the expenditures made from the grant to the Smithsonian Institution.

Letter from Frank Uhlig Jr to Edwin Link regarding the conditions for Link’s essay for the “Naval Review 1967”.

Letter from Edwin Link to Vincent Bailey on the final terms for the underwater lab chamber design.

Letter from Edwin Link to John Perry Jr. suggesting modifications and additional notes for the submarine and laboratory design. Letter from Edmund Boots to Edwin Link forwarding an article about Salvage Patrol and a copy of its contract.