| Issue Date | Title | Author(s) | Type | Access |
| 2008 | Descent for compact 0-dimensional spaces | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 2003 | Descent for discrete (co)fibrations | Sobral, Manuela | preprint | openAccess |
| 2005 | Descent for Priestley Spaces | Dias, Margarida ; Sobral, Manuela | preprint | openAccess |
| 2009 | Descent for regular epimorphisms in Barr exact Goursat categories | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 1999 | Finite preorders and topological descent | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 2000 | Finite preorders and topological descent II: étale descent | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 2008 | Ketotifen controlled release from cellulose acetate propionate and cellulose acetate butyrate membranes | Sobral, Manuela ; Sobral, Abílio ; Guthrie, J. ; Gil, M. | article | openAccess |
| 2005 | Logic of implications | Adámek, Jirí ; Sobral, Manuela ; Sousa, Lurdes | preprint | openAccess |
| 2007 | A logic of implications in algebra and coalgebra | Adámek, Jirí ; Sobral, Manuela ; Sousa, Lurdes | preprint | openAccess |
| 2006 | Morita equivalence of many-sorted algebraic theories | Adámek, Jirí ; Sobral, Manuela ; Sousa, Lurdes | article | openAccess |
| 2010 | On categories with semidirect products | Martins-Ferreira, Nelson ; Sobral, Manuela | preprint | openAccess |
| 2001 | On functors which are lax epimorphisms | Adámek, Jirí ; Bashir, Robert El ; Sobral, Manuela ; Velebil, Jirí | preprint | openAccess |
| 2017 | On some categorical-algebraic conditions in S-protomodular categories | Martins-Ferreira, Nelson ; Montoli, Andrea ; Sobral, Manuela | article | openAccess |
| 2020 | On the classification of Schreier extensions of monoids with non-abelian kernel | Martins-Ferreira, Nelson ; Montoli, Andrea ; Patchkoria, Alex; Sobral, Manuela | article | embargoedAccess |
| 2008 | Profinite relational structures | Janelidze, George ; Sobral, Manuela | preprint | openAccess |
| 1997 | Reflective and Orthogonal Hulls. | Sousa, Maria de Lurdes da Costa e | doctoralThesis | openAccess |
| 2014 | Schreier split epimorphisms between monoids | Bourn, Dominique ; Martins-Ferreira, Nelson ; Montoli, Andrea ; Sobral, Manuela | article | embargoedAccess |
| 2013 | Semidirect products and crossed modules in monoids with operations | Martins-Ferreira, Nelson ; Montoli, Andrea ; Sobral, Manuela | article | embargoedAccess |
| 2014 | Semidirect Products and Split Short Five Lemma in Normal Categories | Martins-Ferreira, Nelson ; Montoli, Andrea ; Sobral, Manuela | article | embargoedAccess |
| 2019 | Split extensions and semidirect products of unitary magmas | Gran, Marino ; Janelidze, George ; Sobral, Manuela | article | embargoedAccess |
