[Frogs, snails, and insects, including grasshoppers, beetles, wasps, and dragonflies]

Tsuba with Snail and Insects

The Walters Art Museum

The Walters Art Museum API

Flowers and insects

Freer and Sackler

DPLA API

Insects, reptiles, and birds

General Research Division. The New York Public Library

DPLA API

Sketches of Insects, Snakes and Reptiles

Harvard Art Museums

Harvard Art Museums API

Tsuba with Autumn Flowers and Insects

The Walters Art Museum

The Walters Art Museum API

Album: Birds, insects, and animals with flowers

Freer and Sackler

DPLA API

Square bottle with flowering plants, birds and insects

Rijksmuseum

Europeana API

Bowl with insects and three rocks with flower sprays

Rijksmuseum

Europeana API

Spring [left of a pair of Flowers and Insects of Spring and Fall]

Minneapolis Institute of Arts

Minneapolis Institute of Art API

Yanagawa's Picture Book: Humans, Fish, and Insects (vol. 4; last)

Minneapolis Institute of Arts

Minneapolis Institute of Art API

Suacer-dish with fluted sides and insects, peony and prunus sprays

Rijksmuseum

Europeana API

Studies from Nature: Plants, Fish, and Birds (Lotus Tuber with Insects)

Minneapolis Institute of Arts

Minneapolis Institute of Art API

Descriptions of Broken Branches: Flowers, Birds and Insects of the Four Seasons

Harvard Art Museums

Harvard Art Museums API

明治41年(1908) 七月五日 (日) 小宮豊隆宛 [はがき]

Miyako Town Museum of History

ADEAC: A System of Digitalization and Exhibition for Archive Collections

Shimonosuwa、kitsuneshingenkabuto

Nationaal Museum van Wereldculturen (Rijksmuseum Volkenkunde, Leiden)

ARC Ukiyo-e Portal Database

[Butterflies and moths]

Library of Congress

Digital Collections, Library of Congress

「松風亭」 「久堅屋」「文ゝ舎」「土佐日記なよしの頭と柊」

Museum of Fine Arts, Boston

ARC Ukiyo-e Portal Database

「三代目瀬川菊之丞」

Museum of Fine Arts, Boston

ARC Ukiyo-e Portal Database

「波に鶴（つる）」

Museum of Fine Arts, Boston

ARC Ukiyo-e Portal Database

明治44年(1911) 五月六日(土) 小宮豊隆宛 [はがき]

Miyako Town Museum of History

ADEAC: A System of Digitalization and Exhibition for Archive Collections

「白椿に小鳥」

Museum of Fine Arts, Boston

ARC Ukiyo-e Portal Database

Group of Cranes in Flight

Honolulu Museum of Art

Honolulu Museum of Art Collection

明治44年(1911) 五月十四日(日) 小宮豊隆宛 [はがき]

Miyako Town Museum of History

ADEAC: A System of Digitalization and Exhibition for Archive Collections

「桔梗（ききょう）と女郎花（おみなえし）、撫子（なでしこ）？に鶴」

Museum of Fine Arts, Boston

ARC Ukiyo-e Portal Database

[Blue bird about to land on a branch of a fruit tree]

Library of Congress

Digital Collections, Library of Congress

Rijstplantende vrouw

Rijksmuseum

Europeana API