Asat Saṅga (Materialistic Association) was first published in Sajjana Toṣaṇī Vol. 11, issue 6 in 1899. In this article, Bhaktivinoda Ṭhākura specifically defines two types of asat-saṅga, namely the strī-saṅgī (one attached to women) and kṛṣna-abhakta (one who is not a devotee of Kṛṣṇa)
Asat-saṅga Parityāga (Abandoning Bad Association) was published in Sajjana Toṣaṇī, Vol. 4, Issue 5 in 1892. Bhaktivinoda Ṭhākura writes about the necessity of rejecting bad company, and especially describes Mahāprabhu’s phrase ’strī-saṅgi’ - being overly attached to one’s wife and not attached to Kṛṣṇa.