The IKEA names system seems to be quite simple, when it is going by the following rules:
• Bathroom articles: names of Scandinavian lakes, rivers and bays
• Bedlinen, bed covers, pillows/cushions: flowers, plants, precious stones
• Beds, wardrobes, hall furniture: names of Norwegian places
• Bookcase ranges: occupations, Scandinavian boy’s names
• Bowls, vases, candles, and candle holders: names of Swedish places, descriptive words, spices, herbs, fruits and berries
• Boxes, wall decoration, pictures and frames, clocks: Swedish colloquial expressions, also names of Swedish places
• Carpets: names of Danish places
• Chairs, desks: men’s names
• Children’s items: mammals, birds, adjectives
• Curtain accessories: mathematical and geometrical terms
• Dining tables and chairs: names of Finnish places
• Fabrics, curtains: women’s names
• Garden furniture: Swedish islands
• Kitchen accessories: foreign words, spices, herbs, fish, mushrooms, fruits or berries, functional descriptions
• Kitchens: grammatical terms, sometimes also other names
• Lighting: terms from music, chemistry, meteorology, measures, weights, seasons, months, days, boats, nautical terms
• Upholstered furniture, coffee tables, rattan furniture, bookshelves, media storage, doorknobs: names of Swedish places
Well in an irony, relating to me being 'generous' that Harry needs book shelves, it seems that the Ikea 'Harald' would be a bookcase range...