Black and white photograph of M M O'Shaughnessy and a group of 12 other men at the dedication of the Pittman plaque at the O'Shaughnessy dam.

Black and white group photograph captioned Bayshore Boulevard, Visitacion Valley. It shows a large crowd spectating, with a marching band setting up their instruments in the background.

Black and white photograph of 6 men, named from left to right as: Vincent, [Molony], McAfee, Ryder, M M O'Shaughnessy and [Carmody].

Two copies of a black and white photograph of M M O'Shaughnessy with another man, unidentified. Both are smiling. O'Shaughnessy is carrying a newspaper.

Black and white photograph of M M O'Shaughnessy (left) and Senator Pittman (right) at the dedication of the Pittman Plaque, at the O'Shaughnessy dam.

Black and white photograph of M M O'Shaughnessy (right) with Mayor Sunny Jim Rolph (middle), and an unidentified man to the left of the photograph. They appear to be standing on a playing ground, with an audience on a stand behind them.

Black and white photograph of M M O'Shaughnessy (middle) and two unidentified men on site.

Black and white photograph of a man holding a glass bottle and smiling.

Photograph of material belonging to Domhnall Ua Buachalla, Conradh na Gaeilge, Maynooth, which includes a letter to him from Stiophán Bairéad thanking him for his subscription and complaining that things are difficult when it comes to collecting money. [S

Black and white photograph of a picnic area in the San Mateo Recreation Park.