Here is a start:
"Somewhere a dog barked." - Blood Relations By A. L. Sirois
"Outside, somewhere, a dog barked." - Fat Andy By Stephen Dunstone
"Drops fell from the tap at intervals; somewhere a dog barked, barked, barked." - Nel Bagno by Josephine Jacobsen
"Somewhere a dog barked." - A Place Without a Postcard by James Brush
"Somewhere a dog barked, and somewhere a dog answered." - Let noon be fair: a novel by Willard Motley
"Somewhere a dog barked." - The water lily pond: a village girl's journey in Maoist China By Han Zao Li
"From somewhere a dog barked, and there was a big chorus of mooing." - The Spanish Kidnapping Disaster By Mary Downing Hahn
"There was the lapping of waves, and somewhere a wraith of string music where revelers made merry, and somewhere a dog barked indignantly in the darkness." - Logic Named Joe By Murray Leinster, Eric Flint
"Somewhere a dog barked, and a child laughed." - To Tease a Texan By Georgina Gentry
"From somewhere a dog barked, and he could hear children playing in a yard nearby." - Bread of Shame By Marjorie Meyerle
"There was a tree fully green outside Kayla's window; somewhere a dog barked." - Cry uncle By Alan Michael Parker
"Somewhere a dog barked, another barked in return." - Final Justice By Fern Michaels
"Somewhere, a dog barked." - Never Mind the Goldbergs By Matthue Roth
"Somewhere a dog barked." - Café du Dôme By Anna Gmeyner
"Somewhere a dog barked." - My Childhood in Miami By Carl Rivers
"Somewhere a dog barked." - Where the pavement ends: one woman's bicycle trip through Mongolia, China By Erika Warmbrunn
"Somewhere a dog barked furiously." - Master of Dragons By Angela Knight
"Somewhere a dog barked." - Nightscapes: Tales of the Ominous and Magical By Darrell Schweitzer
"Somewhere a dog barked, and that puzzled him." - Out of the Ashes By William W. Johnstone
"Somewhere a dog barked." - Throwaways By Lee Goldman
"Somewhere a dog barked." - Falling from Heights By Chris F. Needham
"Somewhere a dog barked." - Kingdom of Ashes By Adam Riemenschneider