牧之島城跡

牧之島城跡 : N-211／ ／牧之島城跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

牧島遺跡 : F-027／ ／牧島遺跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

藤牧城跡（東昌寺） : H-205／ ／藤牧城跡（東昌寺）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

牧野島木町遺跡 : N-037／ ／牧野島木町遺跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

長島城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

竹島城跡

個人

ADEAC: A System of Digitalization and Exhibition for Archive Collections

旧二条城跡　槇島城跡

NHK Archives

Michi-shiru: Japan Seasonal Journey

名島城跡図

Fukuoka Prefectural Library

ADEAC: A System of Digitalization and Exhibition for Archive Collections

琵琶島城跡

柏崎市高精細デジタルアーカイブ

ADEAC: A System of Digitalization and Exhibition for Archive Collections

中牧城墟之図

Nagano Prefectural Museum of History

ADEAC: A System of Digitalization and Exhibition for Archive Collections

城之越遺跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

鹿児島（鶴丸）城跡

NHK Archives

Michi-shiru: Japan Seasonal Journey

二条の城之内城跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

西城村 髻城跡之図

Nagano Prefectural Museum of History

ADEAC: A System of Digitalization and Exhibition for Archive Collections

城の峰城跡（井上城跡） : G-202／ ／城の峰城跡（井上城跡）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

徳島公園（旧城跡） : 徳島風景

Tokushima Prefectural Archives

ADEAC: A System of Digitalization and Exhibition for Archive Collections

小山氏城跡・鷲城跡・祗園城跡・中久喜城跡

Oyama

Tochigi Digital Museum "SHUGYOKU" (Cultural Assets)

三船山城跡之図

Saga Prefectual Library

IIIF Discovery in Japan

山城城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

古城城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

家城城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

根城城跡

History of the Aomori Prefecture Digital Archive

Postcards and Photos Database of Aomori Prefectural History

小島城跡の発掘調査

Nara National Research Institute for Cultural Properties

Cultural Heritage Video Library | ReelJapan

広島城内之図

Hiroshima City Central Library

ADEAC: A System of Digitalization and Exhibition for Archive Collections