| 1997.15.0177 (XLII-43) | Perspective drawing of the Klepsydra Spring House. Breton's sketch of the well house, made in 1859 (or earlier) while the frescoes were yet visible on the walls. | ca. 1859 | | |
| 2012.52.1133 (XLII-43) | Perspective drawing of the Klepsydra Spring House. Breton's sketch of the well house, made in 1859 (or earlier) while the frescoes were yet visible on the walls. | ca. 1859 | | |
| 1997.04.0265 (31-E-42) | Cover slabs over the Great Drain. | 20 July 1931 | | |
| 1997.04.0266 (31-E-48) | Investigating the Great Drain. | 22 July 1931 | | |
| 1997.04.0259 (1-164) | View looking through the Great Drain. | 5 August 1931 | | |
| 1997.03.0098 (2-29) | View of the interior of the cistern. | 10 Feb 1932 | | |
| 1997.03.0099 (2-30) | Entrance to the side passage of the cistern. | 10 Feb 1932 | | |
| 1997.03.0101 (2-31) | Large terracotta tiles covering a water channel behind the southwest corner of the building. | 10 Feb 1932 | | |
| 1997.03.0102 (2-32) | Southwest corner of the Roman water-channel, south of the Stoa of Zeus (the stoa was originally identified as the Royal Stoa). | 10 Feb 1932 | | |
| 1997.03.0103 (2-33) | Water channel behind the southwest corner of building, south of the Stoa of Zeus. | 10 Feb 1932 | | |
| 1997.04.0263 (2-42) | Stelae over the Great Drain. | 10 February 1932 | | |
| 2012.20.0198 (2-29) | View of the interior of the cistern. | 10 Feb 1932 | | |
| 2012.20.0199 (2-30) | Entrance to the side passage of the cistern. | 10 Feb 1932 | | |
| 2012.20.0200 (2-31) | Large terracotta tiles covering a water channel behind the southwest corner of the building. | 10 Feb 1932 | | |
| 2012.20.0201 (2-32) | Southwest corner of the Roman water-channel, south of the Stoa of Zeus (the stoa was originally identified as the Royal Stoa). | 10 Feb 1932 | | |
| 2012.20.0202 (2-33) | Water channel behind the southwest corner of building, south of the Stoa of Zeus. | 10 Feb 1932 | | |
| 2012.20.0211 (2-42) | Stelae over the Great Drain. | 10 February 1932 | | |
| 1997.04.0262 (2-41) | Great Drain with inscribed stelae used as cover. | 12 February 1932 | | |
| 2012.20.0210 (2-41) | Great Drain with inscribed stelae used as cover. | 12 February 1932 | | |
| 1997.04.0260 (2-209) | Wall of the Great Drain built of polygonal masonry. | 7 May 1932 | | |
