1978 January   QST                                     p. 28
               Crystals Inside and Out

     December  QST                                     p. 22
               Some Experiments with High-Frequency 
               Ladder Crystal Filters

1980 November  QST                                     p. 20
               Ladder Crystal Filter Design

1981 April     QST                                     p. 26
               Do You Know Where Your Crystals Are?    2 pages

     May       QST                                     p. 18
               Crystal Filter Design with Small 
               Computers

1982 May       QST                                     p. 21
               A Unified Approach to the Design of     7 pages
               Crystal Ladder Filters

1987 July      QST                                     p. 24
               Designing and Building Simple Crystal   5 pages
               Filters

1990 January   QST                                     p. 21
               A Tester for Crystal F, Q and R