ANSWERSBARTLETT, JOHN; MANN, G. S.; SMITH, ALAN; LUCKETT, RICHARD; FORSTER, HONORE; HASLETT, I. A.; CREDLAND, A. G.; RODGER, N. A. M.; CREDLAND, A. G. · The Mariner's Mirror · 1985

ANSWERSCREDLAND, A. G.; SEXTON, ROBERT T.; JONES, A. G. E.; CONWAY, T. M.; CREDLAND, A. G.; HIDDEN, ALAN E.; GOSSET, W. P.; SMITH, ALAN · The Mariner's Mirror · 1985

NOTEALSOP, J. D.; ELLIOTT, COLIN; DE COURCY, J.; VAN DER MERWE, PIETER; ARCHIBALD, E. H. H.; RODGER, N. A. M.; OSBON, G. A.; MOORE, JOHN; MORRISS, R. A.; CREDLAND, A. G. · The Mariner's Mirror · 1981

NOTEMASTERSON, DANIEL M.; JONES, A. G. E.; FOURQUIN, N. M. H.; PHILLIPS, LAWRENCE; BROMLEY, J. S.; HORNER, FRANK; BOARD, R. W. V.; BASCH, L.; COATES, JOHN; PEEL, ALWIN; LE FEVRE, PETER; KONVITZ, JOSEF; DE COURCY, JOHN; CREDLAND, A. G. · The Mariner's Mirror · 1983

NOTESLE CAER, E.; PHILLIPS, LAWRENCE; VILLE, SIMON; PADFIELD, T. R.; PHILLIPS, LAWRENCE; RODGER, N. A. M.; PHILLIPS, LAWRENCE; DE COURCY, J.; JENKINS, H. J. K.; CREDLAND, A. G. · The Mariner's Mirror · 1982

NOTESHARLAND, JOHN H.; WELLS, JOHN G.; Heidenreich, C. E.; CREDLAND, A. G.; PHILLIPS, LAWRENCE; WEBB, JOHN; BELL, W. G. M.; SLEESWYK, A. W.; WEDEMA, A. C.; TOMLIN, RICHARD J.; DE COURCY, J.; TOWNSEND, C. E. C.; MARSDEN, PETER · The Mariner's Mirror · 1983

CORRESPONDENCEJohnson, A. A.; Scott, Frank; Lee, Martin; Weski, Timm; Credland, Arthur G. · The Mariner's Mirror · 2003

CORRESPONDENCEHARRIS, R. E. G.; CREDLAND, A. G. · The Mariner's Mirror · 1983

Wastewater treatment in AntarcticaConnor, M. A. · Polar Record · 2008

Marion and Prince Edward islandsHeywood, Ronald B. · Polar Record · 1973

Southern Elephant Seals in CaptivityPolar Record · 1971

Appendix II: The Pinnipedia: the seals themselvesPolar Record · 1996

White Sea Harp Seal populationPolar Record · 1965

Seal-marking methodsLaws, R. M. · Polar Record · 1952

Foraging ranges of penguinsWilson, Rory P.; Nagy, Ken A.; Obst, Bryan S. · Polar Record · 1989

Educational facilities for Swedish LappsPolar Record · 1967