After the series devoted to the Johnson’s Family visit to the World’s Columbian Exposition of 1893 (now completed with the missing eighth number), Peter Newell was sent to the Exposition Universelle Internationale in Paris in 1900 and produced another picture story, whose protagonist was “Uncle Jeff Pettingill.”
Nichol Allen was so kind to send me the whole series, which appeared in Harper’s Weekly from 2 June to 15 September 1900, so here it is:
2 June
16 June
23 June
14 July
21 July
4 August
11 August (2 pictures)
18 August
25 August
1 September
15 September
A Blog of Bosh 
is Newell’s work related to Lear, or is it just your general interest in vintage picture stories?
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There is certainly some relationship with nonsense, as Newell illustrated Carroll’s Alice books and The Hunting of the Snark. His personal word, e.g. PN’s Pictures and Stories was compared to Lear’s, though I read somewhere that he declared he did not know of Lear. He is certainly representative of a turn-of-the-century decadence of nonsense literature.
One of my main interests, beside Lear, is early comics and Newell produced at least a very good one: The Naps of Polly Sleepyhead.