00573cam a2200193 4500 299497410 TxAuBib 20170101120000.0 030722s1969||||||||||||||||||||||||und|u 9780448089256 0448089254 TxAuBib Dixon, Franklin W. The Hardy Boys #25 The Secret Panel. New York : Grosset & Dunlap, 1969. 177 p. Cora A. Dargis Fund. 20170101.