The Shulchan Aruch · Even HaEzer
אבן העזר י״דEven HaEzer 14
Siman 14 of 178 in Even HaEzer — 1 se'if
הלכות אישותLaws of Marriage· siman 14
Se’if 1א׳
מֵתָה אִשְׁתּוֹ אוֹ אֶחָד מִקְּרוֹבָיו שֶׁחַיָּב לְהִתְאַבֵּל עָלָיו, עַד אֵימָתַי אָסוּר לִשָּׂא אִשָּׁה, נִתְבָּאֵר בְּטוּר יוֹרֶה דֵעָה סִימָן שצ"ב:
If his wife or one of his relatives that he has to mourn died, until when is it prohibited for one to marry? It is explained in Tur YD Chp:392.
Shulchan Aruch, Even HaEzer — Torat Emet 357 edition, via Sefaria — public domain
English: Sefaria Community Translation — CC0