The collection comprises manuscript research notes compiled by Llubera as editor of the14th-century work, Libro de Los Estados (Book of the States) by Don Juan Manuel. Theseinclude biographical notes about Manuel, and editorial notes on the text of the work itself. (MS634/1).
Other research files include:
- 'Alfonso El Sagio: Cultural background' (MS 634/2);
- 'Arciprest de Hita' (MS 634/3);
- 'Barlaam, Calila, Sendebar' (MS 634/4);
- 'Benjamin of Tudela' (MS 634/5)
- 'Cantar de Mio Cid' (MS 634/6);
- 'Cid [M. Pidal, Espaa del Cid' (MS 634/7);
- 'La Commedia' (MS 634/8);
- 'Cortes Orientals' (MS 634/9);
- 'Cultura Y Arte del Renacimiento' (MS 634/10);
- 'Discipline Clericalis: Conde' (MS 634/11);
- 'Frame Story' (MS 634/12);
- 'History of Spain: The Middle Ages' (MS 634/13);
- 'Islamic Art' (MS 643/14);
- 'Lectures on Arabic Scientific Thought' (MS 643/15);
- 'Maqamat' (MS 634/16);
- 'Medieval Lyric Poetry: Ferno Lopez' (MS 634/17);
- 'Nebrija Prologues' (MS 634/18);
- 'Oriental narrative: exempla' (MS 634/19);
- 'Santob De Carrin' (MS 634/20);
- 'Spanish Architecture' (MS 634/21);
- 'Spanish Medieval Literature (xiith-xiiith century)' (MS 634/22);
- 'Spanish Painting' (MS 634/23); and Traducciones espandes de la Biblia' (MS 634/24);
- loose research notes and poems (MS 634/25-27); manuscript drafts of poems, written in about 1919 (MS 634/28);
- newspaper and journal articles written by Llubera (MS 624/29);
- and printed examination paper for Intermediate Spanish by the Ministry of Education for Northern Ireland, 1924 (MS 634/30).