MB4 278b: Making an Eruv Techumim on Behalf of a Town - part 2 (413:1); Eruv Techumin Must Be Done with Your Knowledge - part 1 (414:1)

From Dirshu Mishnah Berurah Yomi by R Zev Smith;R Aaron E. Glatt, MD;R Yitzchak Berkovits;R Ephraim Glatt, Esq..