Flanagan, Richard J. 3969a.18=**E.5119a.22 The substantial structure. | = Boston. 1923. (8), 29, (1) pp. 15cm.
On gravity, tidal movements, stellar systems, light and space.
| ak) | This card was printed at the Boston Public Library, November 2, 1927.
N3883 — T.r. — Physics.