Wikipedia:Articles for deletion/Szczepan Siekierka
writer/activist, but books are neither widely reviewed nor widely cited.  No SIGCOV of him, or profiles of him found. fails , fails 
— User:E, 13:56, 27 May 2019 (UTC)
Stance: delete
Cited policy: WP:AUTHOR||WP:GNG (Wikipedia:Notability)