Mercedes Lackey/ Roberta Gellis
(5)
Susan Wiggs/ Morgan Llywelyn/ Barbara Samuel/ Roberta Gellis
(2)
Mercedes Lackey/ Roberta Gellis (EDT)
(1)
Roberta G. Sands/ Zvi D. Gellis
(1)
Roberta Gellis/ Nadia May (NRT)
(1)
Roberta Gellis/ Susan Duerden (NRT)
(1)
Roberta Gellis/ Wanda McCaddon (NRT)
(1)