Reference for Numbers 35:7

כָּל־הֶעָרִ֗ים אֲשֶׁ֤ר תִּתְּנוּ֙ לַלְוִיִּ֔ם אַרְבָּעִ֥ים וּשְׁמֹנֶ֖ה עִ֑יר אֶתְהֶ֖ן וְאֶת־מִגְרְשֵׁיהֶֽן׃

All the cities which ye shall give to the Levites shall be forty and eight cities: them shall ye give with the open land about them.

BDB