Professionalʹnyĭ soi͡uz kommunalʹnogo i zhilishchnogo stroitelʹstva.

• Rezoli͡ut͡sii pervogo Severo-Kavkazskogo kraevogo sʼezda Soi͡uza rabochikh promyshlennogo i kommunalʹno-zhilishchnogo stroitelʹstva, 17-21 marta 1931 g