: Always scan .rar files from unknown sources with antivirus software before opening them, as archives can sometimes hide malicious content. RAR - Википедия

If you are looking for the "complete essay" or works associated with this name, they are likely contained within the titled Polnoe sobranie sochinenii i pisem (Complete Collection of Works and Letters), which Lemke meticulously edited between 1919 and 1925. How to Access the Content

: Use a tool like WinRAR or 7-Zip to unzip the archive.