Xantus, Janós

Yates, Harry Stanley

(See also Bureau of Science,

and Forestry Bureau)

Young, H.S.

Yacup

Yasue, Yasunobu

Yunus bin Rorok 

(see also Conservator)

Yakin bin A. Omar

Yench, J. 

(see also Philip. Nat. Herb.)

Yusof bin Addullah 

(see also Conservator)

Yamada, Kindi

Yeob Abdul Rahim

Yusop

Yamamoto, Yoshimatsu

Yoder, A.E.

Yvan, Melchior

Yapp, Richard Henry

Yoshida

IJzerman, Jan Willem

Yasin Dangi