Christopher J. Young; Michael C. Morrone; Thomas C. Wilson; Emma Annette Wilson; Edward L. Ayers MH - Indiana University Press 2020 Pehmeäkantinen kirja
Paul, Christopher; Thie, Harry J.; Webb, Katharine Watkins; Young, Stephanie; Clarke, Colin P.; Straus, Susan G.; Laha, Joya; Os RAND 2011 Pehmeäkantinen kirja