Pollard, Michael. Alexander Graham Bell / by Michael Pollard. - Ankara : Ilkkaynak, 1996. - 64 p. : col., ill ; 22 cm. - Bilime yön verenler . - Bilime yön verenler . This book is in Turkish. ISBN: 9758030043 Subjects--Personal Names: Bell, Alexander Graham, 1847-1922 --biography.