These files are created by the uniqVec03 executable after Lynx dumping the web pages from the links on the following pages: 

TarasShevchenko -- http://poetyka.uazone.net/kobzar/zmist.html
IvanFranko -- http://poetyka.uazone.net/franko/
OleksandrOles -- http://poetyka.uazone.net/oles/
PavloTychyna -- http://poetyka.uazone.net/tychina/
VolodymyrSosura -- http://poetyka.uazone.net/sosura/
LinaKostenko -- http://poetyka.uazone.net/kostenko/
WilliamShakespeare -- http://poetyka.uazone.net/shakespeare/ (the last one is translation of the original English versions into Ukrainian).

The version of the uniqueness-periods-vector-examples used for them is 0.3.1.1

The processment was done by Oleksandr Zhabenko, the author of the packages from uniqueness-periods-vector series. 

The zip archive can be downloaded from the link:

https://web.archive.org/web/20200917200032/https://raw.githubusercontent.com/OleksandrZhabenko/uniqueness-periods-vector-examples/master/0.3.1.1.zip

or from GitHub page: 

https://github.com/OleksandrZhabenko/uniqueness-periods-vector-examples/blob/master/0.3.1.1.zip