Alabama law requires a subpoenaing party to demonstrate that it has unsuccessfully attempted to obtain the information from other sources. Norandal USA, Inc. v. Local Union No. 7468, No.: CV-86-136, 13 Med. L. Rptr. 2167 (Jackson County, Ala. Cir. Ct., Sept. 11, 1986). Alabama courts have not addressed the meaning of unavailability.