Tamil Nadu. Forest Department. Tirupathur Forest Division & Rajagopalan , T. (1970). Proposed working plan for the Tirupathur Forest Division 1st April 1978 to 31st March 1988. Office of the Forest Working Plan.
Chicago-čujuhus (17. p.)Tamil Nadu. Forest Department. Tirupathur Forest Division juo T.K Rajagopalan. Proposed Working Plan for the Tirupathur Forest Division 1st April 1978 to 31st March 1988. Madras: Office of the Forest Working Plan, 1970.
MLA-čujuhus (9. p.)Tamil Nadu. Forest Department. Tirupathur Forest Division juo T.K Rajagopalan. Proposed Working Plan for the Tirupathur Forest Division 1st April 1978 to 31st March 1988. Office of the Forest Working Plan, 1970.
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