Index of Fugal Science, Volumes 1 and 2
Here are the links to the complete Fugal Science series.
Volume 1:
Volume 1, Number 1: Two-Part Fugue for Solo Guitar
Volume 1, Number 2: Three-Part Fugue for String Trio
Volume 1, Number 3: Four-Part Fugue for String Choir
Volume 1, Number 4: Five-Part Grand Fugue for Orchestra
Volume 2:
Volume 2, Number 1: Two-Part Fugue for Solo Guitar
Volume 2, Number 2: Three-Part Fugue for String Trio