| תיאור | שנה | סימול | |
|---|
| Letters and postcards to Heinrich Loewe, among others, from his friend Moritz Simon (Magdeburg and Frankfurt) | 1890- 1894 | A146\134 | |
| Documents pertaining to Louis Loewe , Heinrich Loewe's1827-1891father | 1819- 1899 | A146\16 | |
| Sermons of Moritz Loewe (Heinrich Loewe's uncle) | 1841- 1842 | A146\17 | |
| Publications by Heinrich Loewe on the Yiddish language | 1915- 1916 | A146\44 | |
| Newspaper articles and manuscripts by Heinrich Loewe on Jewish and Zionist subjects (also in Yiddish and Hebrew) | 1895- 1935 | A146\46 | |
| Newspaper articles by Heinrich Loewe on Jewish and Zionist subjects published in the Israelitisches Gemeindeblatt, Cologne, 1918 and 1921 | 1918- 1921 | A146\47 | |
| Newspaper articles and manuscripts by Heinrich Loewe on forgeries (also in Hebrew, published in the Haaretz, Tel Aviv) | 1938- 1938 | A146\48 | |
| Notes and background material for Heinrich Loewe's book Baderech Lezion | | A146\171 | |
| Partial manuscript of Heinrich Loewe's book Baderech Lezion | | A146\68 | |
| Partial manuscript of Heinrich Loewe's book Baderech Lezion | | A146\70 | |
| Partial manuscript of Heinrich Loewe's book Baderech Lezion | | A146\72 | |
| Letters and postcards from individuals, Alexander Marmorek, Leo Motzkin, Max Nordau, Arthur Ruppin, Hermann Struck and others | 1904- 1913 | A146\112 | |