Legions of the Petal Throne

Six booklets of Tekumel army statistics are available, and may be useful though are not written to be compatible with these rules:

The Armies of Tekumel Volume 1: Tsolyanu: (Imperium Publishing 1978 and Adventure Games 1981, available from Tita's House of Games)
The Armies of Tekumel Volume 2: Yan Kor and Allies: (Adventure Games 1981; available from Tita's House of Games)
The Armies of Tekumel Volume 3: Mu'ugalavya: (The Tekumel Journal 1983 and Tita's House of Games 1997)
The Armies of Tekumel Volume 4: Salarvya: (The Tekumel Journal 1983 and Tita's House of Games 1997)
The Armies of Tekumel Volume 5: Livyanu and Tsolei: (The Tekumel Journal 1983 and Tita's House of Games 1997)
The Armies of Tekumel Volume 6: Shenyu: (Tita's House of Games 1999).

There was also a Miniatures for Tekumel Painting Guide (The Tekumel Journal 1982 and Tita's House of Games 1997).

Tekumel miniatures are still available from PHD Games.