Publicity materials largely document Linehan's work in seismology and global expeditions. However, the scrapbooks kept by the Observatory are broader in scope and include news clippings on earthquakes generally, all Observatory staff, and the work of other Jesuit seismologists, as well as some photographs of the Observatory buildings, equipment, and staff.

Collection is open for research.

Film reels and audio tape reels are not available for playback due to format impermanence and cannot be reformatted by Burns Library at this time. Please let Burns Library Public Services know of your specific interest; when it becomes possible we will schedule reformatting.

Negatives, in box 60, are not an access medium and are not available for use; print photographs are available for access.