Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Esther Howland:

"

Determined she could make a better card, Howland convinced her father to order supplies from New York City and England.[citation needed] She made a dozen samples that her salesman brother added to his inventory for his next sales trip[1] for their father's business.[4] Hoping for $200.00 worth of orders, Howland was elated when her brother returned with over $5,000 worth of business for her.[5]