1947

• Okano, M., 1947. in Igaku To Seihutugaku Tokyo 11: 239. Reference page. 

1953

• Okano, M., 1953. A new sub-species of Coreana raphaelis Oberthür from Japan (Lycaenidae). Bull. Tôhoku Ent. Soc. 2(4): 47–48. 1 pl. Reference page. 

1958

• Okano, M. 1958. Three new species of the Japanese Crambinae. Tinea 4(2): 259–262. Reference page. 

• Okano, M. 1958a. A new subspecies of Nudaridia ochracea Bremer from Hokkaido Japan. Tinea 4(2): 263–264. Reference page. 

1960

• Okano, M. 1960. Notes on some Japanese Crambinae (Pyralididae) (2). Transactions of the Lepidopterological Society of Japan 11(1): 8–11. Abstract and full article (CINI). Reference page. 

1962

• Okano, M. & Okano, T., 1992. New or little known Butterflies from the Visayan Islands, the Philippines (XI). Rhopalocera Philippina No. 6:3-10. Reference page. 

1986

• Okano, M. & T. Okano, 1986. New or little known butterflies from the Visayan Islands, the Philippines (1). Artes Liberales 38: 105–114. Reference page. 

1991

• Okano, M. & Okano, T. 1991. New or little known Butterflies from the Visayan Islands, the Philippines (IX). Rhopalocera Philippina 4:3-6. Reference page. 

• Okano, M. & Okano, T., 1991. New or little known Butterflies from the Visayan Islands, the Philippines (X). Rhopalocera Philippina No. 5:1-8. Reference page. 

1992

• Okano, M. & Okano, T., 1992. New or little known Butterflies from the Visayan Islands, the Philippines (XI). Rhopalocera Philippina No. 6:3-10. Reference page.