1.		Value orientations and heritage tourism management at Petra Archaeological Parc, Jordan / Mohammad M. Alazaizeh [et al.] Resp- Sec.: Alazaizeh, Mohammad M. Hallo, Jeffrey C. Backman, Sheila J. Norman, William C.
2.		Lucky 13: Conservation implications of broadening "Big 5" flagship species recognition in East Africa / Jeffrey Skibins, Robert Powell, Jeffrey Hallo Autor: Skibins, Jeffrey Coautor: ; Powell, Raymond Hallo, Jeffrey C.