ASPCS
 

Williams, Thomas R.

Volume Paper Title Page Number Authors
220 Getting Organized: U. S. Amateur Astronomy from 1860 to 1985 3 Williams, Thomas R.
220 What Motivates Amateur Astronomers? 14 Gada, Andreas; Stern, Allan H.; Williams, Thomas R.
220 The Unedited Working List of Amateur and Professional Astronomers 402 Williams, Thomas R.