This volume contains the supplements to the volumes published earlier on mathematics, geography, music, military arts, natural and applied sciences, and medical sciences on one hand, andabibliography of on books on the classification and methodology of sciences written duringthe Ottoman period, on theother.Someadditions were madetotheentriesaboutauthors includedin earlier volumes; thus, information obtainedlaterabout218authorsand their works was added. A list of nearly 2000 maps was added to the supplement to the volume on geography.