International Tables For CrystallographyTheo Hahn; U. Shmueli; A. J. C. Wilson (editors). 1984-2012. Dordrecht, Holland; Boston, U.S.A. Kluwer Academic Publishers Group, most current volumes available through Wiley.
Use the link above or this alternate link
https://it.iucr.org/ to access the volumes below.
Volume A1 Symmetry Relations Between Space Groups
Volume B Reciprocal space
Volume C Mathematical, Physical and Chemical Tables
Volume D Physical Properties of Crystals
Volume E Subperiodic Groups
Volume F Crystallography of Biological Macromolecules
Volume G Definition and Exchange of Crystallographic Data