Observe the District is focused on photographs within the District of Columbia with an occasional exception.

The photographer is a member of the Society of Architectural Historians (SAH), the American Society for Public Administration (ASPA), the Society of American Archivists (SAA), and the International Freelance Photographers Organization (IFPO). He can receive emails at transitpath@gmail.com.

Acronyms used on photo labels include:

YYYYMMDD: e.g., 20220510 = May 10, 2022

AAC: Anacostia Arts Center

ACM: Anacostia Community Museum

ANC: Arlington National Cemetery (Virginia)

BM: Bible Museum

CG: Congressional Cemetery

CU: Catholic University

DCPL: District of Columbia Public Library

DCJF: District of Columbia JazzFest

GWU: George Washington University

GWUM: George Washington University Museum and Textile Museum

HH: Hirshhorn Museum

HRC: Holy Rood Cemetery

IDB: Inter-American Development Bank

JCEAA: Jewish Cemetery Expedition and Archive

LOC: Library of Congress

NBM: National Building Museum

NGA: National Gallery of Art

NJAM: National Japanese American Memorial

NLEM: National Law Enforcement Museum

NMAA: Smithsonian National Museum of Asian Art

NMAI: National Museum of the American Indian (DC)

NMWA: National Museum of Women in the Arts

NPG: National Portrait Gallery

PC: Phillips Collection

RG: Renwick Gallery

RM: Rubell Museum

SJCH: Saint Joseph's on Capitol Hill Roman Catholic Church

THBG: The Harry Benson Gallery

VCM: Victims of Communism Museum

WCC: Walter E. Washington Convention Center (DC)

WCCF: Washington Chinese Culture Festival (DC)

WCF: World Culture Festival

WHVC: White House Visitor Center

WIF24: WOW Indonesia! Festival 2024

WNC: Washington National Cathedral