Technique actuarielle et organisation financiere des assurances sociales : l'assurance, invalidité, vieillesse, déces obligatoire [Études et Documents - Série M (Assurances Sociales) - Nº 17]
International standard classification of occupations : report prepared for the seventh international conference of labour statisticians (Geneva, September 1949) [Studies and Reports - New Series - Nº 15]
Yearbook of labour statistics
Trabalho digno em Portugal 2008-18 : da crise à recuperação