Sefer HaMiddot, A Widower, Part I
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
א מִי שֶׁמֵּתָה אִשְׁתּוֹ, יאמַר בְּכָל יוֹם פָּרָשַׁת אָשָׁם, עַד שֶׁיִּשָּׂא אִשָּׁה אַחֶרֶת
The aleph bet book, translated by Moshe Mykoff. New York: Breslov Research Institute, 1986
A person whose wife died should recite daily the chapter of the guilt-offering (Leviticus 7:1-7) until he remarries.