You're in luck.
The New York Times recently placed their archives on-line back to the
mid-1800's. A search on Wilhelm & Graef turned up five articles,
including this New Year's Day article from 1886:
MESSRS. WILHELM & GRAEF.:CHINA, GLASSWARE, &C.
New York Times Jan 1, 1886. pg. 7, 1 pgs
Twelve years ago last Autumn two gentlemen well known among the
wholesale china and glassware dealers of this city came together and
formed a business partnership. They hired the modest but commodious
store at No, 1,152 Broadway, under what is now the Victoria Hotel, and
put up their sign...
The five articles listed can be previewed at no cost, but to access
the full article, there is a fee charged by the NY TImes. The
1. MORTGAGES BY WILHELM & GRAEF
New York Times (1857-Current file); Feb 13, 1895; pg. 11, 1
2. NEWS, LITERATURE, BUSINESS
New York Times (1857-Current file); Nov 27, 1893; pg. 2, 1
3. YOUNG DOLARO AGAIN ARRESTED.
New York Times (1857-Current file); Sep 29, 1893; pg. 5, 1
4. MESSRS. WILHELM & GRAEF.
New York Times (1857-Current file); Jan 1, 1886; pg. 7, 1
5. HOLIDAY GOODS.
New York Times (1857-Current file); Dec 26, 1875; pg. 9, 1
The first article liste, by the way, talks about the financial
troubles of the company.
To access the NY Times archives, head to this site:
and in the search box enter:
Wilhelm w/1 Graef
and this will pull up the list of five articles.
Click on any article to see a free preview. If you want to purchase
the full article (which shows exactly the way it originally appeared
in the newspaper), then click on the text that reads:
"Buy article image"
and follow the instructions provided. The articles are approximately
$3 each; less if you buy a certain quantity.
Let me know if you have any questions about this.
search strategy: searched at the NY Times archive site