Minecraft wiki entry for 0.15, associated text: Java Edition Classic 0.0.15a (Multiplayer Test 1)
Java Edition Classic 0.0.15a (Multiplayer Test 2)
Java Edition Classic 0.0.15a (Multiplayer Test 3)
Java Edition Classic 0.0.15a (Multiplayer Test 4)
Java Edition Classic 0.0.15a (Multiplayer Test 5)
Java Edition Classic 0.0.15a (Multiplayer Test 6)
Java Edition Classic 0.0.15a (Multiplayer Test 7)
Java Edition Classic 0.0.15a (Multiplayer Test 8)
Java Edition Classic 0.0.15a_01
Java Edition Classic 0.0.15a_02
Java Edition Classic 0.0.15a_03