The editors believe that the three hundred and fifty illustrations which have been provided form a collection which has never been surpassed in fullness and accuracy. Many friends have freely offered their fine collections. A large number of pictures taken by friends are unique in their individual interest, and have never before been published. We are especially indebted to the following: Prof. David G. Lyon, D.D., of the Department of Semitic Languages of Harvard University, Prof. H. G. Mitchell, D.D., of the Department of Theology of Boston University, Rev. Warren J. Moulton, Ph.D., of Athol, Mass., for the use of valuable private collections; the Departments of Greek and Latin at Smith College, the Public Library at Springfield and the Forbes Public Library at Northampton, Mass., for {12} constant courtesy and the use of rare books, photographs, and engravings; Miss Clara L. Bodman, Miss Julia W. Snow, Mr. S. E. Bridgman of Northampton, and Prof. Louis F. Giroux of the International College, Springfield, for the loan of photographs; Mrs. Fontaine Meriwether of Sedalia, Missouri, for selections from a remarkably fine collection of views personally taken while on a trip to the East; Rev. Frank L. Goodspeed, Ph.D., and Mrs. Goodspeed for unique and valuable views taken by themselves; W. J. Aitchison, Esq., of Hamilton, Canada, for fine views; the officers of the Palestine Exploration Fund, and the Detroit Photograph Company, for permission to use pictures in their possession; Prof. Arthur S. Cooley, Ph.D., of Auburndale, the well known lecturer, for permission to use unique views illustrating the journeys of Paul; Miss Mary Medlicott of Longmeadow for the use of a rare book. We are also especially indebted to Prof. Henry D. Sleeper, head of the Music Department of Smith College, for the charming airs to which he has set some of the poems for children in the first volume. On the literary side the editors wish to acknowledge their indebtedness to Miss Esther M. Carver of Northampton for suggestions from her experience as a teacher, to Miss Caroline M. Yale and Miss Frances W. Gawith of the Clarke School for the Deaf, to Prof. Charles F. Richardson, and Prof. Fred P. Emery of Dartmouth College, {13} Prof. Clyde W. Votaw of Chicago University, Mr. William Orr, Principal of the High School, Springfield, Mass. We are much indebted to President George T. Angell for suggestions for the chapter, "Little Brothers of the Air and Fields," in the first volume, also to a very wide circle of friends for their interest and for valuable suggestions, many of which have been incorporated in the work. The help of various versions of the Bible is also acknowledged, as well as the version of the prophets by George Adam Smith. Thanks are rendered to Messrs. Houghton, Mifflin & Co., Messrs. Charles Scribner's Sons, E. P. Dutton & Co., J. B. Lippincott, Biglow & Main, Mr. Theodore E. Perkins, and Charles Ray Palmer, D.D., for permission to use copyrighted material.