寛平御時中宮歌合洞院
かんぴょうのおんとききさいのみやうたあわせ(どういん)
新編国歌大観V.1
This small collection of 32 poems professes to be a late-9th century poetry competition, but it may be a later invented work based on poems from the KKS and GSS.
春
Round 1
左 源当純
やま風にとくる氷のひまごとにうち出づる浪や春の初花 (KKS 12)
右勝
春霞たつひの風のいとなれや滝のをとけて玉とみだるる (original source unknown, appears as 夫木抄104)