Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 1-20

Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 21-41

Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 42-53

Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 54-66

Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 67-76

Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 77-84

Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 135-136

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 137-144

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 145-163

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 164-188

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 189-195

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 196-206

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 207-217

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 218-242

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 243-248

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 249-258

Published in The Wilson Bulletin, in 1981, in volume 93, issue 2, pages 259-264

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 301-309

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 310-324

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 325-333

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 334-339

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 340-349

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 350-356

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 357-362

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 363-371

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 372-382

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 383-390

Published in The Wilson Bulletin, in 1981, in volume 93, issue 3, pages 438-456

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 457-477

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 478-490

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 491-499

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 500-505

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 506-518

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 519-530

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 531-537

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 570-571

Published in The Wilson Bulletin, in 1981, in volume 93, issue 4, pages 575-588