Apart from a couple or exceptions these were existing sculpts, apparently cast to a better standard, aimed mostly at the US market.
1301 Dwarfs of the North
1302 Imperial Dwarfs
1303 Norse Dwarf Champions
1304 Dwarf Adventurers
1305 Dwarf Guardsmen
1306 Dwarf Beserkers
1307 Dwarf Veterans
1308 Dwarf Heroes
A 1308 blister contained one of each of either the first pair or the second
1309 Dwarf Dragon Slayer
1310 Dwarf Champions
1312 Dwarf Troll Slayers
1314 Dwarf Engineers
1315 Dwarf Sappers
1314/1315 Dwarf Mining Equipment
The Wheelbarrow came with the Engineers and the Tools with the Sappers
1316 Dwarf Command