Yes, these types of royalties should be reported on Schedule C.
If you have no 1099-MISC, you may enter this as General Income, which appears on the Business Income summary page below income from 1099-MISC (see screenshot below - click to enlarge).
The easiest way to
find Schedule C in TurboTax is to open
your return and use the Search box at the
top right side of the TurboTax header. Enter "schedule c", hit Enter,
then click on "jump to schedule c".
This will take you directly to the start of this section where you can set up
your business and enter your income & expenses.
Or go to My Account >> Tools >> Topic Search.
Type in "schedule c", click the topic in the list, then click
"GO".
You will be prompted
to upgrade, if necessary, to the TurboTax version that is best for your tax
situation.
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