"Alan Birch"@en . . . . "BIRCH" . "Alan BIRCH" . "Ya-chün" . "Alan"@en . "Ya-chüan Pʻeng" . . . . . "Birch, A. (Alan)" . "and MACMILLAN (David Stirling) Alan BIRCH" . "Ya-chüan" . "Ya-chün Pʻeng" . "A. Birch"@en . "Birch"@en . "1924-06-28" . "BIRCH, Alan, and MACMILLAN (David Stirling)" . . . "Pʻeng" . . .