MEMORIAL SLOAN-KETTERING CANCER CENTER

MERIDIAN INTERNATIONAL CENTER

METHODIST HOSPITAL OF INDIANA

METROPOLITAN MUSEUM OF ART

MEXICAN ACADEMY OF SCIENCES

MIDDLEBURY COLLEGE

MILITARY HISTORY QUARTERLY

MISSOURI BOTANICAL GARDEN

MONELL CHEMICAL SENSES CENTER

MONTEREY INSTITUTE OF INTERNATIONAL STUDIES

MONTSHIRE MUSEUM OF SCIENCE

MORVEN MUSEUM AND GARDEN

MOUNT GULIAN SOCIETY

MOUNT VERNON LADIES ASSOCIATION

MOUNT WILSON INSTITUTE HALE SOLAR LABORATORY

MOUNTAIN TOP ARBORETUM

MOVING IMAGE

MUSEUM NATIONAL D'HISTOIRE NATURELLE

MUSEUM OF HOLOGRAPHY

MUSEUM OF MODERN ART