Prior loser vs familiar owner

Prior loser vs naive owner

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Major cheliped use in intruder male during male-male contest of hermit crab

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Major cheliped use in owner male during male-male contest of hermit crab

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male combat of Otton frogs II

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Male-male combat of Otton frogs

Osaka Museum of Natural History

Movie Archives of Animal Behavior

The Disasters of War: This is no less so

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

Los Desastres de la Guerra (67) <Esta no lo es menos.>

Mie Prefectural Art Museum

Mie Prefectural Art Museum Collections

米は斯く挑戦せり (一〜八・完)

神戸大学附属図書館

Kobe University Library Digital Archive Newspaper Clippings Collection

Sensou wa kakudaisenka

NDL Digital Collections

NDL Digital Collections

Kindai sensou ni okeru shisou tousou no juudaisei

NDL Digital Collections

NDL Digital Collections

実力をかけて闘かう / 組合活動への挑戦 / 企業意識は闘いの癌

Kyushu University Collections

Kyushu University Collections

夏のせや蚊の戦争に負逃れ（俳句）

Digital Archive Fukui

Digital Archive Fukui

吾人は平和を望むが挑戦には応ずる (上・下)

神戸大学附属図書館

Kobe University Library Digital Archive Newspaper Clippings Collection

統一闘争を組もう / 短期決戦を避ける / 企反闘争が優先

Kyushu University Collections

Kyushu University Collections

もう戦争はいやだ！！ / 低賃金と労働強化 / 選挙闘争と賃金闘争

Kyushu University Collections

Kyushu University Collections

ソ連の挑戦止まず : 満ソ国境事件一貫せぬソの主張 : 週間外交

神戸大学附属図書館

Kobe University Library Digital Archive Newspaper Clippings Collection

The Disasters of War: One side will gain

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

Nichiro sensou ni okeru dai nigun sakusen no shoki

NDL Digital Collections

NDL Digital Collections

粘り強く闘い抜け / 連盟案固執せず / 中闘委を設置

Kyushu University Collections

Kyushu University Collections

決戦衣服の手引き : 国民服は色を問わず: 間に合せでも華美は避けよ

神戸大学附属図書館

Kobe University Library Digital Archive Newspaper Clippings Collection

先ず交渉権確立だ / 重点は山元闘争 / 選挙闘争合同本部を設置

Kyushu University Collections

Kyushu University Collections

戦争と平和の分れ道 / 交渉全然進展せず / 前進　総選挙闘争を勝抜く為に

Kyushu University Collections

Kyushu University Collections

Keiseihazamagassen、gishimeimeiden

Shochiku Otani Library

ARC Banzuke (Playbills) Portal Database

けいせい狭間合戦 / 義士銘々傳

Ishikawa Prefectural Library

Ishikawa Prefectural Library Comprehensive search system (SHOSHO)