Transistor Celebrates Half Century MarkCross, M.A. · IEEE Aerospace and Electronic Systems Magazine · 1998

Lindsay Society celebrates half centuryBDJ · 2012

ICTP celebrates half centuryPhysics World · 2014

A milestone paper in clinical dialysis. A half century celebrationZoccali, C.; Lameire, N. · Nephrology Dialysis Transplantation · 2011

Cuba: Interpreting a Half Century of Revolution and Resistance, Part 1 || On Celebrating the Cuban RevolutionLatin American Perspectives · 2009

Federal food and drug protection: a half century of progress/Additional income assured for dental and medical officers in the Armed Forces/Artificial sweeteners/Three societies celebrate a century of serviceThe Journal of the American Dental Association · 1956

A Half Century of Public Health. Jubilee Historical Volume of the American Public Health Association in Commemoration of the Fiftieth Anniversary Celebration of Its Foundation.JAMA: The Journal of the American Medical Association · 1922

A Publication Celebrates its Half Century 1948–1998: A Brief Account of 50 Years of The Bulletin of Electrical Engineering Education and The International Journal of Electrical Engineering EducationHartley, Michael G. · International Journal of Electrical Engineering Education · 1998