Likutei Sichos Vol 21 pp 251-255

The Sicha the day of the Rebbetzin’s Levaya about Ahavas Yisroel making nichum aveilim DeOraisa. The Sicha of Shabbos Mishpatim 5748 about the initiating of new mosdos in her name.

Sefer HaSichos 5752 vol. 1 page 308 ff.

Sefer Hasichos 5752 vol 1 page 303 ff.

Sefer HaSichos 5752 page 280 ff.