Correspondence from Gabriell Auguste Daubrée

Correspondence of Sir Archibald Geikie: William Johnson Sollas to WC Trevelyan

Correspondence to Sir Archibald Geikie: Thomas Lauder Brunton to William Sweetland Dallas

Correspondence from James Dwight Dana

Correspondence to Sir Archibald Geikie: Sir George Howard Darwin to Peter Martin Duncan

Correspondence: John Phillips to Frederick William Rudler

Correspondence: John Strong Newberry to John Perry

Correspondence of Sir Archibald Geikie: American geologists