Books 136: Several vintage books

I'm searching for new books and found several books, mainly from German publisher Neuer Jugendschriften Verlag. Most have illustrations (mainly by Walter Rieck) but with some exceptions I can't say if having (good) illustrations or descriptions of bibs inside. Probably not, escpecially descriptions, so I won't buy any of these. Most of these books were published in the 70s. And probably they just drawn (unrelated) kids in typical clothes (same as boys in Lederhosen in 50s books).

Boys: 

-Karlstad: Sehr verdächtig! confirmed illustration (original: Det tomme huset) 

-Höfling: Die drei Abenteurer (set of 3) chubby boy Fränzchen

-Sibley: Jonathan Mark (series) young boy, picture books, confirmed illustrations

-Fox: Der Vogel, der Türen aufmacht (original: The Hairy Brown Angel)

-Wingert: Klein, aber pfiffig (young boy)

-Wingert: Fritzchen Frisch (2 books), 1 bought one

-Theuermeister: Uli ist pfiffig (young boy)

Girls:

-Hoßfeld: Conni & die Austauschschülerin (modern, part 3)

-Wylicil: Zora und ihre Freunde

-Isbel: Reiterhof Dreililien: Alte Lieder singt der Wind (older teen girl, photo)

-Isbel: Reiterhof Dreililien: Eine Welt für sich (older teen girl, purple, photo)

-Otten: Zwei werden gute Freunde

-Otten: Kleiner Elefant auf Abwegen

-Iberer: Wo bist du, Hannerl?

-Schröder: Kalifornisches Abenteuer (teen girl, pictured, I mentioned before)