 Barker worked principally in watercolor with pen @-@ and @-@ ink , but she was equally competent in black @-@ and @-@ white , in oils , and in pastels . She carried a sketchbook with her for capturing interesting children . She once indicated , " I have always tried to paint instinctively in a way that comes naturally to me , without any real thought or attention to artistic theories . " 
 Barker worked principally in watercolor with pen @-@ and @-@ ink , but she was equally competent in black @-@ and @-@ white , in oils , and in pastels . She carried a sketchbook with her for capturing interesting children . She once indicated , " I <a href='been_done' title='1'><mark>have</mark></a> always tried to paint instinctively in a way <a href='null_relcl' title='2'><mark>that</mark></a><a href='uninflect' title='3'><mark>comes</mark></a> naturally to me , without any real thought or attention to artistic theories . " 
Barker worked principally in watercolor w pen @-@ and @-@ ink , but she was equally competent in black @-@ and @-@ white , in oils , and in pastels . She carried a sketchbook with her for capturing interesting children . She once indicated , " I done always tried to paint instinctively in a way come naturally to me , w/o any real thought or attention to artistic theories . "