- Harvard University --Students1
- Henze, Volker,--1950---Stamp1
- Herzig, Ralf,--1954---Autograph1
- Holbein, Ambrosius, 1494?-1518?1
- Holbein, Hans, 1497-15431
- Home Missions Council of North America1
- Huniat, Günter--Autograph1
- Hutchinson, Thomas--Autograph1
- Hutchinson, Thomas--Presentation inscription to O. Wilde1
- Ireland, Alexander,--1810-18941
- Jahn, Sabine,--1955---Autograph1
- Jephson, William1
- Killisch, Klaus, 1959-1
- Kober, Bertram,--1961---Stamp1
- Koziol, Stefan--Autograph1
- Leiberg, Helge,--1954---Autograph1
- Liverpool, Robert Banks Jenkinson, Earl of, 1770-18281
- Locker-Lampson, Frederick,--1821-1895--Bookplate1
- Locker-Lampson, Frederick,--1821-1895--Presentation1
- Lorenz, Jochen--Autograph1
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