Description
Published:v. 1- (Sept. 1975)-
-v.16, no. 12 (Aug. 1991).
Item Description:Previously classed: H1300.6 T687n; H1473.6 T687n; T1325.6 T687n.
Published for the employees of the agency.
"Perspective" issued as a special edition each Jan. is shelved under TxDocs call number: H1473.6 T687np; T1325.6 T687np; T1300.6 T687np.
Physical Description:volumes : illustrations ; 41 cm.
Publication Frequency:Monthly