Fueled by Clouds & Coffee: Product Reviews: Pentel Color Brush Pen and Kuretake Brush Writer
Fueled by Clouds & Coffee: Pens & Inks
Fueled by Clouds & Coffee: Mini Review: Pentel Fude-Hajime Brush Pen
Autopoint Mechanical Pencil, An Inkophile's Blog
Fueled by Clouds & Coffee: Pentel Multi 8 + Koh-i-Noor Leads = Win
Fueled by Clouds & Coffee: January 2013
Brush Pen Writing Samples
Fueled by Clouds & Coffee: Update: Favorite Brush Pens
Pocket Refillable Brush Pen Medium by Pentel – Little Otsu
Autopoint Mechanical Pencil
Fueled by Clouds & Coffee: Product Review: Pentel Pocket Brush Pens (and Weaning Myself of Grisaille)