- gef.src: 

A text sequence composed from
three segments: German, English and French translations
of Chapter 11 of  Robur the Conqueror by  Jules Verne.
We obtained the text data from http://www.gutenberg.org.
In order to convert the German and the French texts to the English alphabet
we performed the following conversions.
In the case of the German text we
converted the {\it sharp s} to ``ss'' and the umlauts to
``ae'', ``oe'' and ``ue'', respectively.
In the case of the French text we stripped off all accents.

- mmr15000.src:

A text sequence composed from
three segments: a scientific text segment of length $5000$, a reversed version of the first segment and
a copy of the first segment. 