Galaxy: Oct 1962 With Butter and Mustard, (ss), F&SF: Dec 1957 A Wobble in Wockii Futures, (nv), Galaxy: April 1965 X None. Y Ye Prentice and Ye Dragon, (verse), Analog: Jan 1975 Yo Ho Hoka! (w Poul Anderson), (nv), F&SF: Mar 1955 Z Zeepsday, (ss), F&SF: Nov 1956 Resources GORDON R. DICKSON - SF & Fantasy Bibliography Index to Science Fiction Anthologies and Collections Bibliography Dickson, Gordon R. Dickson, Gordon R.