McKay, Herbert
In search of science book I : air, wind, and rain / Herbert McKay
Oxford University Press, 1950
 Buku Teks
McKay, Herbert
In search of science book III noises : The sun and the moon / Herbert McKay
Oxford University Press, 1948
 Buku Teks
McKay, Herbert
In search of science book II : Looking-glasses and candles / Herbert McKay
Oxford University Press, 1950
 Buku Teks
Puchta, Herbert
English in mind : student book 1 / Herbert Puchta, Jeffrey Stranks
Cambridge University Press, 2014
 Buku Teks
Puchta, Herbert
English in mind : student book 2 / Herbert Puchta, Jeffrey Stranks
Cambridge University Press, 2014
 Buku Teks