1. The system of lunar craters, Quadrant I;Arthur;Publ. Lunar Planetary Lab.,1963
2. The system of lunar craters, Quadrant II;Arthur;Publ. Lunar Planetary Lab.,1964
3. The system of lunar craters, Quadrant III;Arthur;Publ. Lunar Planetary Lab.,1965
4. The system of lunar craters, Quadrant IV;Arthur;Publ. Lunar Planetary Lab.,1966
5. The contraction and expansion of the moon;Fielder;Planetary Space Sci.,1961