Unidentified laborer posing with the foundation stone in situ, during the construction of the crypt church. Note that the date inscribed in Latin on the stone follows the Roman calendar; it reads “eight days prior to the first of October,” which…

1931 guide book with floor plan, history, and photographs of the crypt level.

Unidentified laborers posing on the active construction site of the crypt church on November 10, 1923. In the background sits McMahon Hall.

Pulleys, ladders, debris, and unidentified laborers at the construction site o the crypt church on September 12, 1923.

Group of unidentified laborers posing in front of crypt level on September 12, 1923.

The Great Upper Church ca. 1970, as seen from McMahon Hall.

Aerial photo of Catholic University campus, ca. 1931.