dpm@el-far:~$ dpkg -L ubuntu-ui-toolkit-doc | grep pop
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-popover-members.html
/usr/share/ubuntu-ui-toolkit/doc/html/ubuntu-components-popups-qmlmodule.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-actionselectionpopover.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-dialog.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-composersheet-members.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-popupbase-members.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-actionselectionpopover-members.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-defaultsheet.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-sheetbase.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-popupbase.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-dialog-members.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-defaultsheet-members.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-popover.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-composersheet.html
/usr/share/ubuntu-ui-toolkit/doc/html/qml-ubuntu-components-popups-sheetbase-members.html