Earliest version of revision 37 known, late versions of r36 were possibly also called v2.03, so there might have been some mislabelling or perhaps they were not that specific
Size=524288/512k, Ident=0x1114, Entry=0xf800d2, Ver=r37.74
IntSize=524288/512k, Checksum=0xb4c70534, ROMBase=0x00f80000
CRC32=0x59e73e70
0000B6 exec 37.52 (15.3.91)
003CC0 expansion 37.23 (15.3.91)
0047F0 audio 37.7 (13.3.91)
005890 battclock 37.3 (11.3.91)
0062D0 battmem 37.3 (4.3.91)
0064C8 bootmenu 37.2 (15.1.91)
0089E0 cia 37.4 (15.3.91)
008D8E con-handler 37.39 (13.3.91)
00B358 console 37.85 (13.3.91)
00F3BC disk 37.1 (9.1.91)
010390 dos 37.22 (15.3.91)
018DAC filesysres 37.1 (12.1.91)
018F3E fs 37.11 (13.03.91)
01E4D0 gadtools 37.82 (14.3.91)
02445C icon 37.6 (2.3.91)
026984 keymap 37.2 (8.1.91)
0276C4 layers 37.7 (13.3.91)
02B110 mathffp 37.1 (13.1.91)
02B5F4 mathieeesingbas 37.2 (7.2.91)
02B964 misc 37.1 (8.1.91)
02BA14 potgo 37.4 (28.1.91)
02BBB8 ram 37.9 (15.3.91)
02E054 ramdrive 37.3 (9.1.91)
02E70C ramlib 37.13 (14.3.91)
02EBD8 gameport 37.8 (28.1.91)
030298 scsidisk 37.4 (26.2.91)
032ED4 shell 37.37 (13.3.91)
037620 romboot 37.23 (15.3.91)
038540 timer 37.57 (14.3.91)
03936C trackdisk 37.3 (13.3.91)
03B09A utility 37.3 (13.2.91)
03BA7A Pre-2.0 LoadWB stub
03BB50 graphics 37.20 (14.3.91)
053F6C intuition 37.220 (14.3.91)
06CCD4 wb 37.108 (14.3.91)