[2] On 19 October 1859, he asked Siebel to inquire with Friedrich Engels or Karl Marx whether they could financially support him.
[citation needed] In 1866, he helped to provision a statue for the tomb of Friederike Brion, made by the sculptor Wilhelm Hornberger [de].
[5] Oelbermann is said to have joined the "Young Germanic School" at one point, as stated in a publication about Marie von Ebner-Eschenbach.
[6][7] In 1882, he founded the short-lived Bonner Montagsblatt (Bonn Monday Journal), which became a publishing house a few months later under the name Das Alte Blatt (The Old Leaf).
[8] His poem "O säh ich auf der Heide dort" was set to music by Franz Neuhofer [de] in his unpublished Opus 25.