Langford, David,Retik, Arkady
(3)
Andrew Sansom/ Rusty Yates (PHT)/ David K. Langford (PHT)
(1)
David Hlynsky and Martha Langford
(1)
David K. Langford/ Rick Bass (CON)/ Andrew Sansom (FRW)/ Myrna Langford (CON)
(1)
David Langford (EDT)/ Pat Mills (FRW)/ Dave Golder/ Jess Nevins
(1)
David Langford/ R. F. Fellows/ M. R. Hancock/ A. W. Gale
(1)
Joe Nick Patoski/ David K. Langford (CON)
(1)
John Clute (EDT)/ John Grant (EDT)/ Mike Ashley (EDT)/ Roz Kaveney (EDT)/ David Langford (EDT)/ Ron Tiner (EDT)
(1)
John Sladek/ David Langford (EDT)
(1)