The Art of Preluding, Op.300
121 preludes. It starts by giving a few basic harmonic outlines, but no textual explanation. This can be found in the Systematische Anleitung.
There are also examples of modulations, such as this example of modulations in the different keys followed by more modulating preludes.
All examples are recorded in this video:
Solo / Ensemble
Carl Czerny (21 February 1791 – 15 July 1857)
Czerny was in Vienna but this was published in London
Type of Thing you Learn