su-ra-um: Ebla Sign List 124 (sur[bread]).
su-ur: MSL 14, 023 Fq o ii 3' (sur[press]); OB Nippur Ea 214 (sur[press]); CUSAS 12, 1.2.1 o 9 (sur[press]); Education in the Earliest Schools no. 126 o ii 6.
su₂-ur: OB Nippur Aa 214:1 (sur[press]); MSL 14, 088 M o i 11' (sur[press]); MSL 14, 018 Bb o vi 7 (sur[press]).
šu-ur: CT 11, pl. 33, K 07761+ 2'- (sur[press]), 4'a (sur[press]), 5' (sur[press]), 5'a5'a (sur[press]); AOAT 275, 420, BM 055240 o 6'-7' (sur[press]); CUSAS 12, 1.2.1 o 10-11 (sur[press]).