Meyerhoff Center for Jewish Ex
Thou Shalt Not Waste: Ancient Texts and their Modern Application
Toward a Wiser Use of Energy Hebrew/English Source Sheet
Rabbi Menachem Mendel Schneerson (The Lubavitcher Rebbe), 1981
Rabbi Yosef Chaim ben Eliyahu, Torah Lishma, section 76, (the Ben Ish Chai, a major halakhic authority of 19th century Iraq).