10. H. H. Ling, Chief Engineer, Canton-Hankow Ry. driving the last spike to complete the N-S Trunk Line (1096 Km), 1936 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
11. H. H. Ling, Chief Engineer, Canton-Hankow Ry. Driving the last spike to complete the N-S Trunk Line, 1936 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
12. H. H. Ling, (center, front row, holding a hat) Chief Engineer, Canton -Hankow Ry. during the inaugurations of first passenger through train from Canton to Hankow (1096 Km), 1936 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
13. H. H, Ling, Chief Engineer, Canton-Hankow Ry. Inspecting the whole line after completion, 1936 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
14. H. H. Ling, China's chief delegate to the 14th International Congress. Lucern, Switzerland, when presiding a fourth Section, 1947 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
15. H. H. Ling, one of the commissioners, Shihmen Dam Project, Taiwan, inspecting the dam near completion, 1965 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
1. H. H. Ling, Designing Office, American Bridge Co., Pencord, PA. USA., 1916 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
2. H. H. Ling, Bridge Engineer, Peking-Hankow Ry. inspecting the Yellow River Bridge (2100M), 1922 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
3-4. H. H. Ling. Bridge Engineer, Peking-Hankow Ry., leading a team inspecting many bridges along the line, 1929 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974
5. H. H, Ling, Inspecting an ancient stone bridge near Paoting, 1929 Box 1, Folder 4 Rare Book & Manuscript Library Hung-Hsun Ling papers, 1916-1974Photographs, 1916-1974