. . "ARCHITECTURE / Sustainability & Green Design." . . "HOUSE & HOME / Sustainable Living." . . "Yurts Maine Design and construction." . . "Pioneers Maine Biography." . . . . . . . . . . . . . "A man apart : Bill Coperthwaite's radical experiment in living"@en . . . . . . . . "A Man Apart : Bill Coperthwaite's Radical Experiment in Living" . . . "Electronic books"@en . "Democracy Philosophy." . . "Sustainable living Maine." . . "Social reformers Maine Biography." . . "BIOGRAPHY & AUTOBIOGRAPHY / Artists, Architects, Photographers." . . "BIOGRAPHY & AUTOBIOGRAPHY / Personal Memoirs." . . "Community life Philosophy." . .