The following resources have been of the author’s reference while developing her grammar. The language story entire is five volumes to include a flexion framework: ■Books and grammar method information.
English
Practical English Usage by Michael Swan
Practical English Grammar by A. Thomson and A. V. Martinet
English Grammar in Use by Raymond Murphy
Advanced English Practice by B. D. Graver
The Plain Truth, a periodical distributed freely door-to-door in Gliwice before the author graduated from high school; she admits she pursued language form rather than belief.
The Economist, the periodical;
Time, the periodical;
Cosmo, a dictionary;
Collins, a dictionary;
Merriam-Webster Unabridged, the 1989 dictionary;
Oxford Compact English, a dictionary.