Aside from attracting people for reading and research, many government officials, famous persons and scholars sent their own precious materials.
資料累積愈多，除吸引很多人來此閱讀、參考和做研究，許多知名人士、政府官員、學者也自願贈送自己擁有的珍貴資料，如此不再僅限於一次大戰的史料。