3 September – Saint Pius X

Ambito italiano (post 1903), Ritratto di papa Pio X
Trainini V. (1919), Papa Pio X

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum (21 August)

Eucharistic Lilies: Youthful Lovers of Jesus in the Blessed Sacrament by Helen Maery.

A Visit to His Holiness Pope Pius X 

Saint Pius X: A Pictorial Biography 

Cathedral Basic Readers

Tradition in Action

Writings of Pope Pius X

Documenta Catholica Omnia 

Vatican Site for Writings of Pope Pius X 

The Encyclical of Pope Pius X on the Doctrines of the Modernists 

The Catechism of Pope Pius X 

Oath against Modernism 

Syllabus Condemning the Errors of the Modernists 

Art & Architecture

Statue in San Pietro in Vaticano 

Catalogo generale dei beni culturali

BeWeB

Music

Music Composed by Pope St. Pius X

3 September – Saint Mansuetus

Tombeau de saint Mansuy
es monumentales : Annonciation, Scènes de la vie de saint Mansuy
Tableau : Saint Mansuy évêque de Toul
Les Images De Tous Les Saincts et Saintes de L’Année 
The Book of Saints

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Roman Martyrology

Lives of the Saints by Alban Butler.

Lives of the Saints by Sabine Baring-Gould.

La vie des saints 

Medieval Hagiography

BHL 

Acta Sanctorum

Art & Architecture

Portail Biblissima

POP : la plateforme ouverte du patrimoine

Saints and their Attributes

Lives and Legends of the Great Hermits and Fathers of the Church, with Other Contemporary Saints by Mrs. Arthur Bell.

Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.

3 September – Blessed Guala de Roniis

Traini F. (1344-1345), Scomparto di Fra Guala che sogna l’anima di S. Domenico
Ambito bresciano sec. XVI, Ritratto del vescovo Beato Guala de Roniis

Modern Hagiography

Bibliotheca Sanctorum

Martyrologium Romanum

Short Lives of the Dominican Saints 

Medieval Hagiography

Acta Sanctorum

Art & Architecture

Index of Medieval Art

Catalogo generale dei beni culturali

BeWeB