On 1 May 2014, this second sister of De Librije opened for business.[4] On 14 September 2014 it was announced that the first sister, Librije's Zusje in Zwolle, would close on 31 December 2014 and that De Librije would take over the location.[5] Contrary to the first "Librije's Zusje", this restaurant is not owned by Jonnie Boer but a kind of franchise.[6]
In October 2018 it was announced that "Librije's Zusje" would become independent and would change its name per 1 January 2019.[7] After a refurbishment, the restaurant reopened as restaurant "Spectrum" on 6 February 2019.[8]
^Brandligt, Vivie (17 November 2014). "Michelin 2015: Totale sterrenoverzicht" [Michelin 2015: Total star overview]. Misset Horeca (in Dutch). Retrieved 17 November 2014.
^van der Reijden, Demian (13 December 2013). "De Librije gaat f&b Waldorf Astoria verzorgen" [De Librije takes care of f&b in Waldorf Astoria]. Misset Horeca (in Dutch). Retrieved 27 December 2014.
^Bluiminck, Nathalie (14 September 2014). "Librije verhuist en Zusje weg uit Zwolle" [Lijbrije moving and Zusje leaving Zwolle]. Misset Horeca (in Dutch). Retrieved 27 December 2014.
^Prummel, Marjon (6 October 2018). "Librije's Zusje krijgt andere naam" [Librije’s Zusje gets new name]. Misset Horeca (in Dutch). Retrieved 13 February 2019.