1.
Exercises in Practical Astronomy and Photosynthesis
by Bruck, M. T.
ISBN: 9780750300612
List Price: $48.95
2.
The Peripatetic Astronomer: The Life of Charles Piazzi Smyth
by Bruck, H. A., Bruck, M. T.
ISBN: 9780852744208
List Price: $140.00