alone

They must be told, that the ultimate authority, wherever the derivative may be found, resides in the People alone;

1788, James Madison, Federalist No. 46^(https://en.wikisource.org/wiki/The_Federalist_(Dawson)/45)

The Senate (A.U.C. 514) decreed that the eldest son alone should bear his father's praenomen.

1945, E[lizabeth] G[idley] Withycombe, “Introduction”, in The Oxford Dictionary of English Christian Names, Oxford, Oxfordshire: Clarendon Press, →OCLC, page xv

Except on matters of mere detail, there are perhaps no practical questions, even among those which approach nearest to the character of purely economical questions, which admit of being decided on economical premises alone.

1871, John Stuart Mill, Principles of Political Economy^(https://en.wikisource.org/wiki/Principles_of_Political_Economy_(Mill),_vol._1)

In writing this tale I had in mind not alone to please my young readers, but also to give them a fair picture of life on the ocean as it is to-day,

1903, Arthur M. Winfield, The Rover Boys on Land and Sea

Her wardrobe is huge. She has three racks for blazers alone.

In the first place, though Lady Burton published comparatively little, she was a voluminous writer, and she left behind her such a mass of letters and manuscripts that the sorting of them alone was a formidable task.

1897, The Romance of Isabel, Lady Burton

“[…] it is not fair of you to bring against mankind double weapons ! Dangerous enough you are as woman alone, without bringing to your aid those gifts of mind suited to problems which men have been accustomed to arrogate to themselves.”

1910, Emerson Hough, chapter I, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC

In America alone, people spent $170 billion on “direct marketing”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a result.

2013 May 25, “No hiding place”, in The Economist, volume 407, number 8837, page 74