SIMBAD references

The article presents information on the archive and catalogue of the astrophotos taken with the Schmidt telescope of the Institute of Astronomy of the University of Latvia (until July 1, 1997 - Radioastrophysical Observatory of the Latvian Academy of Sciences) in the period 1967-1998. The archive and catalogue contain more than 22000 direct and 2300 spectral photos of various sky regions. Information on the types of photo materials and color filters used as well as on most frequently photographed sky fields or objects is given. The catalogue is available in a computer readable form at the Institute of Astronomy of the University of Latvia and at the Astrophysical Observatory in Baldone (Riekstukalns, Baldone, LV-2125, Latvia), e-mail: astraatnet.lv.