The Catholic Pamphlets Collection in the Rare Books and Special Collections Department includes more than 5,500 pamphlets, the majority published in the United States from the early nineteenth century to the present. This extensive collection includes pamphlets on saints and sacraments, daily Catholic life, moral issues, Catholic social thought and action, and Catholic history. These often ephemeral publications span the “high” and “low” church, ranging from Vatican documents (e.g., The council and the liturgy: a commentary on the Constitution on the sacred liturgy, ca. 1965) to didactic and humorous pamphlets aimed at mid-20th-century teens. The bulk of the collection has been digitized, and digital copies are available through the University of Notre Dame Hesburgh Libraries catalog, https://library.nd.edu.