This collection consists largely of letters from Roger Casement to Captain Hans Boehm, during Casement's stay in Germany in 1915, as well as some associated material (photographs, medals) relating to his first contact with the German authorities in November and December 1914 and the formation of the Irish Brigade in 1915.

[Letter from Joseph Anderson (Society of Antiquaries of Scotland) to William Frazer, seeking Frazer’s help in tracking a missing seal of the Campbells of Craignish.]

[Letter and two memoranda from [C.?] W. Quin (Ballyornan) to William Monck Mason (Kildare Street, Dublin), concerning the earthen vessel uncovered on November 1796, at Mr. Chas Quin’s Farm, Ballyornan, Parish of Powerscourt, Co. Wicklow.]

[Letter from the Marquis of Lorne (Inveraray) to William Frazer, concerning "The Legend of the Throwing of the Ball of Fat at the Charging Boar", which is told in Glenshee.]

Letter from Gerard Manley Hopkins (Oak Hill, Hampstead, N. W.) to Alexander William Mowbray Baillie, discussing his thoughts on being home; details of a visit to Edgeware; the architecture of a church in Edgeware; his mother not wishing him to fast. Encloses 'An Essaye Morall and Political' by Francis Lo. Verulam [Francis Bacon, Viscount St. Alban]. Requests a copy of Baillie's 'Grass is my Garland'.

[Notes, correspondence and sketches relating to goldsmith techniques on a variety of objects.]

[Letter from R. J. Rice (Lixnaw, County Kerry) to William Frazer, concerning the characteristics of the raths in the area and giving details of one in the townland of Dromkeen East.]

[Letter from [J. W.?] Stubbs (Drumiskin House, Castlebellingham) to William Frazer, replying to Frazer’s query about marked stones; and describing other stones with runic characters, at a wall near Blackstaff National School.]