File of assorted outsize plans and technical drawings of theatre spaces in Ireland, including the Hawk's Well Theatre, Sligo;
Also some lighting plans for theatre productions worked on by Cosgrove including "The Mai" by Marina Carr, produced at the Peacock stage at the Abbey Theatre (Sept 1994), Front elevation of sections drawings for "The Mai" by Marina Carr, Abbey Theatre (1994); Lighting design by Cosgrove for "You Should Thank God, Fasting, for the Love of a Good Man", directed by Brian Brady (Nov 1994).

File 2 includes technical plans, press releases, overviews, and flyers for productions at the Players Theatre Trinity College Dublin, mostly being various student productions (early 1990s).

Files of outsize (A0, A1, A3) drawings, stage designs, plans and blueprints for Druid Theatre Company productions made in the 2000s

Files of outsize (A0, A1, A3) drawings, stage designs, plans and blueprints for Druid Theatre Company productions made during the 1990s

Files of outsize (A0, A1, A3) drawings, stage designs, plans and blueprints for Druid Theatre Company productions made during the 1980s.

Files of outsize (A0, A1, A3) drawings, stage designs, plans and blueprints for Druid Theatre Company productions.

Files of outsize design plans for productions by The Corn Exchange Theatre Company. File includes lighting and set/stage designs for "Every Day" (2006), stage design plan for "Dubliners" at the Gaiety Theatre, Dublin, 2012, drawn by Joe Vaněk, and an extensive number of drawings, lighting plans and set plans for Dublin by Lamplight, produced at various venues by The Corn Exchange Theatre Company.

Printed staff lists of Irish Government Departments (1957 and 1960 - Extract from Thom's Directory) and list of staff at Spanish Ministerio De Asuntos Exteriores, 1958. Also TS list of "Members of Government", 1954.

File of materials relating to the history and archaeology of St. Senan and parishes in Co. Clare. Includes letters between Etienne Rynne and others such as Michael A. Donnellan, regarding origins of Kilrush/Plouzane twinning (1996) and other assorted articles regarding the life of St. Senan.

TS report on St. Patrick's Well at Longford, Co. Galway, by [M. Mac Mahon].

Details of the Golden Jubilee Celebrations of St. Michael’s Hall on 28 October 1994. St Michael’s Hall was the second Muintir na Tíre hall built in Ireland by the Guild; includes copies of newspaper cuttings from previous events in the Hall